Listing 4825 chemical categories

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Name	ChemOnt ID	Description
1-(1Z-alkenyl)-glycero-3-phosphates	CHEMONTID:0003287	Compounds containing a 1-alkenyl group attached to the O1- position of the glycero-3-phosphate moiety.
1-(1Z-alkenyl)-glycero-3-phosphocholines	CHEMONTID:0001847	Glycerophosphocholines that carry exactly one 1Z-alkenyl chain attached at the O1 position of a glycerol moiety through an ether linkage.
1-(1Z-alkenyl)-glycero-3-phosphoethanolamines	CHEMONTID:0003834	Glycerophosphoglycerophosphates that carry exactly one 1Z-alkenyl chain attached to the glycerol moiety through an ether linkage.
1-(1Z-alkenyl),2-acyl-glycerols	CHEMONTID:0003825	Glycerides consisting of one 1Z-alkenyl chain and one acyl chain covalently bonded to a glycerol molecule at the 1- and 2-positions through an ether and an ester linkage, respectively.
1-(1Z-alkenyl),2-acyl-glycerophosphates	CHEMONTID:0001397	Glycerophosphates that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one 1Z-alkenyl chain attached through an ether linkage at the O1-position.
1-(1Z-alkenyl),2-acyl-glycerophosphocholines	CHEMONTID:0003827	Glycerophosphocholines that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one 1Z-alkenyl chain attached through an ether linkage at the O1-position.
1-(1Z-alkenyl),2-acylglycerophosphoethanolamines	CHEMONTID:0003832	Glycerophosphoethanolamines that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one 1Z-alkenyl chain attached through an ether linkage at the O1-position.
1-(1Z-alkenyl),2-acylglycerophosphoglycerols	CHEMONTID:0003840	Glycerophosphoglycerols that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one 1Z-alkenyl chain attached through an ether linkage at the O1-position.
1-(1Z-alkenyl),2-acylglycerophosphoglycerophosphates	CHEMONTID:0003847	Glycerophosphoglycerophosphates that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one 1Z-alkenyl chain attached through an ether linkage at the O1-position.
1-(1Z-alkenyl),2-acylglycerophosphoinositols	CHEMONTID:0003849	Glycerophosphoinositols that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one 1Z-alkenyl chain attached through an ether linkage at the O1-position.
1-(1Z-alkenyl),2-acylglycerophosphoserines	CHEMONTID:0001407	Glycerophosphoserines that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one 1Z-alkenyl chain attached through an ether linkage at the O1-position.
1-(1Z-alkenyl),3-acyl-glycerol-2-phosphocholines	CHEMONTID:0004228	Glycerophosphocholines that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O3-position, and one 1Z-alkenyl chain attached through an ether linkage at the O1-position.
1-(1Z-alkenyl),3-acyl-glycerophosphates	CHEMONTID:0004227	Glycerophosphates that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O3-position, and one 1Z-alkenyl chain attached through an ether linkage at the O1-position.
1-(1Z-alkenyl),3-acylglycerophosphoethanolamines	CHEMONTID:0004178	Glycerophosphoethanolamines that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O3-position, and one 1Z-alkenyl chain attached through an ether linkage at the O1-position.
1-(1Z-alkenyl)glycerophosphoglycerols	CHEMONTID:0003843	Glycerophosphoglycerols that carry exactly one 1Z-alkenyl chain attached to the glycerol moiety through an ether linkage.
1-(1Z-alkenyl)glycerophosphoinositols	CHEMONTID:0003852	Glycerophosphoinositols that carry exactly one 1Z-alkenyl chain attached to the glycerol moiety through an ether linkage.
1-acyl-3-O-beta-D-digalactosyl-sn-glycerols	CHEMONTID:0003343	Glycosylmonoacylglycerols carrying a beta-D-digalactose at the 3-position of the glycerol moiety and a fatty acyl at the O-1 position of the glycerol moiety.
1-acyl-3-O-beta-D-galactosyl-sn-glycerols	CHEMONTID:0003341	Glycosylmonoacylglycerols carrying a beta-D-galactose at the 3-position of the glycerol moiety and a fatty acyl at the O-1 position of the glycerol moiety.
1-acyl-glycerol-3-phosphoserines	CHEMONTID:0001681	Monoacylglycerol-3-phosphoserines with a fatty acyl chain linked to the O1-atom of the glycerol moiety.
1-acyl-sn-glycero-3-phosphocholines	CHEMONTID:0001638	Glycerophosphocholines in which the glycerol is esterified with a fatty acid at O-1 position, and linked at position 3 to a phosphocholine.
1-acyl-sn-glycero-3-phosphoethanolamines	CHEMONTID:0001677	Glycerophoethanolamines in which the glycerol is esterified with a fatty acid at O-1 position, and linked at position 3 to a phosphoethanolamine.
1-acyl-sn-glycerol-2,3-cyclic-phosphates	CHEMONTID:0002688	Monoacylglycerophosphates consisting of a sn-glycerol 2,3-cyclic phosphate that carries an acyl group at the 1-position.
1-acyl-sn-glycerol-3-phosphoinositols	CHEMONTID:0002101	Glycerophosphoinositols where the glycerol is acylated only at position O-1 with a fatty acid.
1-acyl,2-(1Z-alkenyl)-glycerophosphocholines	CHEMONTID:0003826	Glycerophosphocholines that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O1-position, and one 1Z-alkenyl chain attached through an ether linkage at the O2-position.
1-acyl,2-alkylglycero-3-phosphocholines	CHEMONTID:0003828	Glycerophosphocholines that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O1-position, and one acyl chain attached through an ether linkage at the O2-position.
1-acyl,2-alkylglycerols	CHEMONTID:0003812	Glycerides consisting of two fatty acyl chains covalently bonded to a glycerol molecule at the 2- and 1-positions through an ether and an ester linkage, respectively.
1-acyl,2-alkylglycerophosphoethanolamines	CHEMONTID:0001409	Glycerophosphoethanolamines that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O1-position, and one alkyl chain attached through an ether linkage at the O2-position.
1-acyl,2-alkylglycerophosphoglycerols	CHEMONTID:0001298	Glycerophosphoglycerols that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O1-position, and one acyl chain attached through an ether linkage at the O2-position.
1-acylglycerol-2-phosphates	CHEMONTID:0001684	Monacylglyerophosphates in which the glycerol moiety is esterified at position 1 and attached to a phosphate group through the O-2 atom.
1-acylglycerol-3-phosphates	CHEMONTID:0001685	Lysophosphatidic acids where the glycerol is esterified with a fatty acid at O-1 position.
1-alkyl,2-acetylglycero-3-phosphocholines	CHEMONTID:0004262	Glycerophosphocholines that carry exactly one acetyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one alkyl chain attached through an ether linkage at the O1-position.
1-alkyl,2-acyl-glycerol-3-phosphoserines	CHEMONTID:0001395	Glycerophosphoserines that contain exactly two fatty acyl chains attached to the glycerol moiety, one through an ester and the other through an ether linkage.
1-alkyl,2-acylglycero-3-phosphocholines	CHEMONTID:0003829	Glycerophosphocholines that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one alkyl chain attached through an ether linkage at the O1-position.
1-alkyl,2-acylglycerols	CHEMONTID:0003813	Glycerides consisting of two fatty acyl chains covalently bonded to a glycerol molecule at the 1- and 2-positions through an ether and an ester linkage, respectively.
1-alkyl,2-acylglycerophosphates	CHEMONTID:0001404	Glycerophosphates in which the O-1 atom of the glycerol is bonded to a fatty acid (saturated or unsaturated) through an ether linkage, and the O-2 atom is bonded to another fatty acid through an ester linkage.
1-alkyl,2-acylglycerophosphoethanolamines	CHEMONTID:0003830	Glycerophosphoethanolamines that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one alkyl chain attached through an ether linkage at the O1-position.
1-alkyl,2-acylglycerophosphoglycerols	CHEMONTID:0003839	Glycerophosphoglycerols that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage at the O2-position, and one alkyl chain attached through an ether linkage at the O1-position.
1-alkyl,2-acylglycerophosphoglycerophosphates	CHEMONTID:0003846	Glycerophosphoglycerophosphates that contain exactly two fatty acyl chains attached to the glycerol moiety, one through an ester linkage at the O2-position, and the other through an ether linkage at the O1-position.
1-alkyl,2-acylglycerophosphoinositols	CHEMONTID:0003848	Glycerophosphoinositols that contain exactly two fatty acyl chains attached to the glycerol moiety, one through an ester linkage at the O2-position, and the other through an ether linkage at the O1-position.
1-alkyl,3-acylglycerols	CHEMONTID:0003811	Glycerides consisting of two fatty acyl chains covalently bonded to a glycerol molecule at the 1- and 3-positions through an ether and an ester linkage, respectively.
1-alpha,2-epoxy-3-oxo-5-alpha-steroids	CHEMONTID:0003246	3-oxo-5-alpha-steroids sharing the carbon atoms C1 and C2 wit an epoxide ring to form a 1-alpha,2-epoxy moiety.
1-aminocyclopropane-1-carboxylic acids	CHEMONTID:0002527	Organic compounds containing both a carboxyl group and an amino group at position C1 of a cyclopropane ring.
1-aminocyclopropane-1-carboxylic acids and derivatives	CHEMONTID:0002526	Organic compounds containing both a carboxyl group (or a derivative thereof) and an amino group at position C1 of a cyclopropane ring.
1-aminopyrazinium compounds	CHEMONTID:0003362	Organic compounds containing a pyrazinium ring that carries an amine group at the 1-position.
1-arylbiguanides	CHEMONTID:0004536	Organonitrogen compounds containing a biguanide that is N-arylsubstituted at only the 1-position.
1-aryltetralin lactones	CHEMONTID:0001625	Lignans with a structure containing the 1-aryltetralin skeleton, where the C9 and C9' atoms are joined to an oxygen atom to form a cyclopentanone.
1-azafluoranthenes	CHEMONTID:0003607	Organic compounds of the alkaloid family that contains a indeno[1,2,3-ij]isoquinoline nucleus.
1-azaoxoaporphines	CHEMONTID:0003019	Analogues of Aporphines, where a nitrogen atom replaces the carbon atom at position 1, and a keto group at C7.
1-benzopyrans	CHEMONTID:0003410	Organic aromatic compounds that 1-benzopyran, a bicyclic compound made up of a benzene ring fused to a pyran, so that the oxygen atom is at the 1-position.
1-benzothiophene-2-carboxanilides	CHEMONTID:0004692	Aromatic heteropolycyclic compounds that contain a 1-benzothiophene ring system, which is substituted with an anilide at the 2-position.
1-benzothiophenes	CHEMONTID:0004293	Aromatic heterocyclic compound containing the Benzo[b]thiophene ring system.
1-benzothiopyrans	CHEMONTID:0003413	Organic aromatic compounds that 1-benzothiopyran, a bicyclic compound made up of a benzene ring fused to a thiopyran, so that the sulfur atom is at the 1-position.
1-benzoylpiperidines	CHEMONTID:0004110	Compounds containing a piperidine ring substituted at the 1-position with a benzoyl group.
1-benzylquinolines	CHEMONTID:0004083	Organic aromatic compounds containing a quinoline that is substituted at the 1-position by a benzyl group.
1-bromo,2-chlorobenzenes	CHEMONTID:0003603	Organic aromatic compounds that containing a benzene ring substituted at two adjacent carbon centers with a bromine atom and a chlorine atom, respectively. These atoms are the only halogen substituents of the benzene ring.
1-carboxy-2-haloaromatic compounds	CHEMONTID:0003072	Aromatic compounds containing 1 carboxyl group and a C-X (X = halogen) group at adjacent positions of an aromatic ring.
1-hydroxy-2-unsubstituted benzenoids	CHEMONTID:0004646	Phenols that a unsubstituted at the 2-position.
1-hydroxy-4-unsubstituted benzenoids	CHEMONTID:0004647	Phenols that are unsubstituted at the 4-position.
1-hydroxylamino, 2-unsubstituted benzenoids	CHEMONTID:0004648	Benzenoids in which the benzene moiety is N-linked to an hydroxylamine at the 1-position, and unsubstituted at the 2-position.
1-hydroxylamino, 4-unsubstituted benzenoids	CHEMONTID:0004649	Benzenoids in which the benzene moiety is N-linked to an hydroxylamine at the 1-position, and unsubstituted at the 4-position.
1-hydroxynaphthalene-2-carboxanilides	CHEMONTID:0004688	Naphthalene-2-carboxamides, where the carboxamide group is substituted with an aniline, and the naphthalene ring system is hydroxylated at the ring 1-position.
1-hydroxysteroids	CHEMONTID:0004158	Steroids carrying a hydroxyl group at the 1-position of the steroid backbone.
1-monoacylglycerols	CHEMONTID:0001597	Monoacylglycerols containing a glycerol acylated at the 1-position.
1-naphthalene sulfonamides	CHEMONTID:0003595	Organic aromatic compounds that contain a naphthalene moiety that carries a sulfonamide (or a derivative thereof) at the 1-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
1-naphthalene sulfonates	CHEMONTID:0003600	Organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 1-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
1-naphthalene sulfonic acids and derivatives	CHEMONTID:0003598	Organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group (or a derivative thereof) at the 1-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
1-O-alkyl-sn-glycerols	CHEMONTID:0004275	Glycerolipids containing a chiral glycerol moiety that carries an alkyl group at the 1-position.
1-O-alkylglycerols	CHEMONTID:0004274	Glycerolipids containing a glycerol moiety that carries an alkyl group at the 1-position.
1-phenethylisoquinolines	CHEMONTID:0004095	Organic aromatic compounds containing a quinoline ring system substituted at the 1-position by a phenethyl group.
1-phenethyltetrahydroisoquinolines	CHEMONTID:0002189	Compounds containing a phenethyl group attached to the C4-atom of a tetrahydroisoquinoline moiety.
1-phenylcoumarans	CHEMONTID:0004190	Compounds containing a coumaran ring system substituted at the 1-position with phenyl group.
1-phenyltetrahydroisoquinolines	CHEMONTID:0002956	Compounds containing a phenyl group attached to the C1-atom of a tetrahydroisoquinoline moiety.
1-phosphatidyl-1D-myo-inositol-3-phosphates	CHEMONTID:0004263	Lipids containing a myo-inositol-3-phosphate attached to the phosphate group of a glycerol-3-phosphate moiety, and two acyl chains linked to the glycerol at the O1- and O2- positions, through ester linkages.
1-phosphatidyl-1D-myo-inositol-3,4-bisphosphates	CHEMONTID:0004265	Lipids containing a myo-inositol-3,4-bisphosphate attached to the phosphate group of a glycerol-3-phosphate moiety, and two acyl chains linked to the glycerol at the O1- and O2- positions, through ester linkages.
1-phosphatidyl-1D-myo-inositol-3,4,5-trisphosphates	CHEMONTID:0004264	Lipids containing a myo-inositol-3,4,5-bisphosphate attached to the phosphate group of a glycerol-3-phosphate moiety, and two acyl chains linked to the glycerol at the O1- and O2- positions, through ester linkages.
1-phosphatidyl-1D-myo-inositol-3,5-bisphosphates	CHEMONTID:0004266	Lipids containing a myo-inositol-3,5-bisphosphate attached to the phosphate group of a glycerol-3-phosphate moiety, and two acyl chains linked to the glycerol at the O1- and O2- positions, through ester linkages.
1-phosphatidyl-1d-myo-inositol-4-phosphates	CHEMONTID:0004307	Lipids containing a myo-inositol-3-phosphate attached to the phosphate group of a glycerol-3-phosphate moiety, and two acyl chains linked to the glycerol at the O1- and O2- positions, through ester linkages.
1-phosphatidyl-1D-myo-inositol-4,5-bisphosphates	CHEMONTID:0004250	Lipids containing a myo-inositol-4,5-bisphosphate attached to the phosphate group of a glycerol-3-phosphate moiety, and two acyl chains linked to the glycerol at the O1- and O2- positions, through ester linkages.
1-phosphatidyl-1D-myo-inositols	CHEMONTID:0004251	Lipids containing a myo-inositol attached to the phosphate group of a glycerol-3-phosphate moiety, and two acyl chains linked to the glycerol at the O1- and O2- positions, through ester linkages.
1-phosphoribosyl-imidazolecarboxamides	CHEMONTID:0001417	Organic compounds containing the imidazolecarboxamide linked to a ribose phosphate through a 1-2 bond.
1-phosphoribosyl-imidazoles	CHEMONTID:0001412	Organic compounds containing the imidazole ring linked to a ribose phosphate through a 1-2 bond.
1-pyranosylbenzimidazoles	CHEMONTID:0003708	Nucleoside and nucleotide analogs with a structure that consists of a Benzimidazole which is N-substituted at the 1-position with a pyranose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the pyranose.
1-pyranosylbenzotriazoles	CHEMONTID:0003710	Nucleoside and nucleotide analogs with a structure that consists of a Benzotriazole which is N-substituted at the 1-position with a pyranose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the pyranose.
1-pyranosylindazoles	CHEMONTID:0003713	Nucleoside and nucleotide analogs with a structure that consists of an indazole which is N-substituted at the 1-position with a pyranose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the pyranose.
1-pyranosylindoles	CHEMONTID:0003715	Nucleoside and nucleotide analogs with a structure that consists of an indole base which is N-substituted at the 1-position with a pyranose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the pyranose.
1-ribosyl-imidazolecarboxamides	CHEMONTID:0001420	Organic compounds containing the imidazole ring linked to a ribose ring through a 1-2 bond.
1-sulfamoyl-1,2,3-triazoles	CHEMONTID:0004202	Compounds containing a 1,2,3-triazole that carries a sulfamoyl group at the 1-position.
1-sulfo,2-unsubstituted aromatic compounds	CHEMONTID:0003075	An arylsulfonic acid carrying the sulfonic acid group at the 1-position, and no substitute at the 2-position of the aromatic ring.
1,1-dinitrodifluoramines	CHEMONTID:0004608	Difluoroamino compounds contaning two nitro groups and with the general structure RC(NO2)2NF2.
1,1-diols	CHEMONTID:0002856	Alcohols in which two hydroxy groups are bonded to the same atom.
1,1-diunsubstituted alkanesulfonic acids	CHEMONTID:0003312	Alkanesufonic acids that carry two substituents at the 1-position.
1,1-diunsubstituted alkanesulfonic acids and derivatives	CHEMONTID:0003313	Alkanesufonic acids or derivatives that carry two substituents at the 1-position.
1,1'-azonaphthalenes	CHEMONTID:0003653	Organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to the 1-position of a naphthalene ring system. Naphthalene is a compound made up of two fused benzene rings.
1,2-allenyl phenyl sulfoxides	CHEMONTID:0004633	Organosulfur compounds containing a sulfoxide group substituted with a phenyl group and a 1,2-allenyl group.
1,2-aminoalcohols	CHEMONTID:0001897	Organic compounds containing an alkyl chain with an amine group bound to the C1 atom and an alcohol group bound to the C2 atom.
1,2-benzodithiins	CHEMONTID:0002805	Organic heterocyclic compounds containing a benzene ring fused to a 1,2-dithiin ring.
1,2-diacyl-1-alkylhydrazines	CHEMONTID:0004512	Hydrazine derivatives where the hydrazine group is N-acylated at both nitrogen atoms, one of which also carries an alkyl group.
1,2-diacyl-3-O-beta-D-digalactosyl-sn-glycerols	CHEMONTID:0003342	Glycosylmonoacylglycerols carrying a beta-D-digalactose at the 3-position of the glycerol moiety and a fatty acyl at the O-1 and O-2 positions of the glycerol moiety.
1,2-diacyl-3-O-beta-D-galactosyl-sn-glycerols	CHEMONTID:0003259	Glycosyldiacylglycerols carrying a beta-D-galactose at the 3-position of the glycerol moiety.
1,2-diacyl-sn-glycerol-3(2'-aminoethyl)phosphonates	CHEMONTID:0003614	Lipids that contain an aminoethylphosphonate group attached at a C3 carbon of a 1,2-diacylglycerol backbone.
1,2-diacyl-sn-glycerol-3(2'-aminopropyl)phosphonates	CHEMONTID:0003615	Lipids that contain an aminopropylphosphonate group attached at a C3 carbon of a 1,2-diacylglycerol backbone.
1,2-diacyl-sn-glycerol-3(2'-trimethylaminoethyl)phosphonates	CHEMONTID:0003619	Lipids that contain an trimethylaminoethylphosphonate group attached at a C3 carbon of a 1,2-diacylglycerol backbone.
1,2-diacylglycero-3-phosphosulfocholines	CHEMONTID:0003321	Glycerophosphosulfocholines in which the two free -OH are attached to one fatty acid each through an ester linkage.
1,2-diacylglycerol-3-phosphates	CHEMONTID:0001299	Glycerol-3-phosphates in which the glycerol moiety is bonded to two aliphatic chains through ester linkages.
1,2-diacylglycerols	CHEMONTID:0001644	Diacylglycerols containing a glycerol acylated at positions 1 and 2.
1,2-diaryl-2-propen-1-ols	CHEMONTID:0002900	Flavonoids with a structure based on the 1,2-diaryl-2-propen-1-ol skeleton.
1,2-diazepanes	CHEMONTID:0002921	Diazepanes having the two nitrogen atoms at position 1 and 2 of the diazepane ring.
1,2-diazepines	CHEMONTID:0001335	Organic compounds containing 1,2-diazepine, a seven-member heterocyclic ring with two nitrogen atoms in positions 1 and 2.
1,2-dihalobenzenes	CHEMONTID:0003664	Organic compounds that contain a benzene ring that is substituted by halogen atoms at exactly two carbon atoms, which are adjacent.
1,2-diols	CHEMONTID:0002467	Polyols containing an alcohol group at two adjacent positions.
1,2-dioxanes	CHEMONTID:0001312	Organic compounds containing 1,2-dioxane, an aliphatic six-member ring with two oxygen atoms in ring positions 1 and 2.
1,2-dioxepanes	CHEMONTID:0002944	Dioxepanes with the two ring oxygen atoms at position 1 and 2, respectively.
1,2-dioxepines	CHEMONTID:0002940	Dioxepines with the two ring oxygen atoms at position 1 and 2, respectively.
1,2-dioxolanes	CHEMONTID:0001315	Organic compounds containing 1,2-dioxolane, an aliphatic five-member ring with two oxygen atoms in ring positions 1 and 2.
1,2-dioxoles	CHEMONTID:0000248	Organic compounds containing 1,2-dioxole, an aliphatic five-member ring with two oxygen atoms in ring positions 1 and 2, and a double bond.
1,2-diselenins	CHEMONTID:0003692	Organic heterocyclic compounds containing a 1,2-diselenin ring. Diselenin is a six-membered heterocyclic with for carbon atoms, and two selenium atoms at the 1- and 2-position.
1,2-dithiolane-3-carboxylic acids	CHEMONTID:0003374	Organic compounds containing a 1,2-dithiolane ring that bears a carboxylic acid group at the 3-position.
1,2-dithiolane-4-carboxylic acids	CHEMONTID:0003375	Organic compounds containing a 1,2-dithiolane ring that bears a carboxylic acid group at the 4-position.
1,2-dithiolanecarboxylic acids	CHEMONTID:0003379	Organic compounds containing a 1,2-dithiolane ring that bears one or more carboxylic acid groups. The 1,2-dithiolane moiety is a 5-membered ring with three carbon atoms, and two sulfur atoms at the 1- and 2- ring positions.
1,2-dithiolanes	CHEMONTID:0003372	Organic compounds containing a 1,2-dithiolane ring. 1,2-dithiolane moiety is a 5-membered saturated aliphatic ring with three carbon atoms, and two sulfur atoms at the 1- and 2- ring positions.
1,2-dithiole-3-ones	CHEMONTID:0003623	Organic heterocyclic compounds containing a 1,2-dithiole ring that bears a C=O group.
1,2-dithiole-3-thiones	CHEMONTID:0002905	Organic heterocyclic compounds containing a 1,2-dithiole ring that bears a C=S group.
1,2-dithioles	CHEMONTID:0003624	Compounds containing a 5-membered unsaturated ring with three carbon atoms and two adjacent sulfur atoms.
1,2-epoxy-3-oxosteroids	CHEMONTID:0003247	3-oxosteroids sharing the carbon atoms C1 and C2 with an epoxide ring.
1,2-oxazepines	CHEMONTID:0001338	Organic compounds containing an aromatic seven-membered ring containing a nitrogen and an oxygen atom, a positions 1 and 2, respectively.
1,2-oxazinanes	CHEMONTID:0002576	Compounds containing an oxazinane ring with the nitrogen atom and the oxygen atom at positions 1 and 2, respectively.
1,2-oxazines	CHEMONTID:0001343	Organic compounds containing 1,2-oxazine, a six-member ring with a nitrogen and an oxygen atoms in ring positions 1 and 2 respectively, as well as two double bonds.
1,2-substituted cyclopentyl nucleosides	CHEMONTID:0003739	Nucleoside analogues with a structure that consists of a cyclopentane that is substituted a the 1-position with a hydroxyl group and at the 2-position with either a purine or pyrimidine base.
1,2-substituted cyclopentyl purine nucleosides	CHEMONTID:0003717	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a hydroxyl group and at the 2-position with either a purine base.
1,2-substituted cyclopentyl pyrimidine nucleosides	CHEMONTID:0003719	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a hydroxyl group and at the 2-position with either a pyrimidine base.
1,2-substituted phosphonated cyclopentyl nucleosides	CHEMONTID:0003742	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a phosphonate group, and at the 2-position with either a purine or pyrimidine base.
1,2-substituted phosphonated cyclopentyl purine nucleosides	CHEMONTID:0003729	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a phosphonate group, and at the 2-position with either a purine base.
1,2-substituted phosphonated cyclopentyl pyrimidine nucleosides	CHEMONTID:0003730	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a phosphonate group, and at the 2-position with either a pyrimidine base.
1,2-thiazines	CHEMONTID:0001348	Organic compounds containing 1,2-thiazine, a six-member ring with a nitrogen and a sulfur atoms in ring positions 1 and 2 respectively, as well as two double bonds.
1,2,3-oxadiazines	CHEMONTID:0004737	Heterocyclic compounds containig an oxadiazine ring with one oxygen atom at the 1-position, and two nitrogen atoms at the 2-, and 3-position, respectively.
1,2,3-oxadiazoles	CHEMONTID:0003351	Compounds containing an oxadiazole ring with the oxygen and the two nitrogen atoms at positions 1, 2, and 3, respectively.
1,2,3-thiadiazolopyridines	CHEMONTID:0004509	Aromatic heterocyclic compounds containing a pyridine fused to a 1,2,3-thiadiazole ring.
1,2,3-triazinanes	CHEMONTID:0002796	Triazinanes having three nitrogen ring atoms at the 1-, 2-, and 3- positions.
1,2,3-triazines	CHEMONTID:0004106	Compounds containing a triazine ring, which is a heterocyclic ring, similar to the six-member benzene ring but with three carbons replaced by nitrogen atoms, at ring positions 1, 2, and 3.
1,2,3,6-Tetrahydropyridines	CHEMONTID:0004533	Organoheterocyclic compounds that contain 1,2,3,6-tetrahydropyridine ring.
1,2,4-benzothiadiazine-1,1-dioxides	CHEMONTID:0004292	Aromatic heterocyclic compounds containing a 1,2,4-benzothiadiazine ring system with two S=O bonds at the 1-position.
1,2,4-dithiazole-3-thiones	CHEMONTID:0001130	Organic compounds containing a 1,2,4-dithiazole ring with a thioketone group at ring position 3.
1,2,4-oxadiazines	CHEMONTID:0004738	Heterocyclic compounds containig an oxadiazine ring with one oxygen atom at the 1-position, and two nitrogen atoms at the 2-, and 4-position, respectively.
1,2,4-oxadiazoles	CHEMONTID:0002924	Compounds containing an oxadiazole ring with the oxygen and the two nitrogen atoms at positions 1, 2, and 4, respectively.
1,2,4-triazinanes	CHEMONTID:0002797	Triazinanes having three nitrogen ring atoms at the 1-, 2-, and 4- positions.
1,2,4-triazines	CHEMONTID:0004107	Compounds containing a triazine ring, which is a heterocyclic ring, similar to the six-member benzene ring but with three carbons replaced by nitrogen atoms, at ring positions 1, 2, and 4.
1,2,4-triazolo[3,4-a]phthalazines	CHEMONTID:0004827	Aromatic heteropolycyclic compounds containing a 1,2,4-triazole fused to and sharing a nitrogen atom with the diazine ring of a phthalazine moiety.
1,2,4-triazolo[4,3-a][1,4]benzodiazepines	CHEMONTID:0004226	Aromatic compounds containing a 1,4-benzodiazepine fused to and sharing a nitrogen atom with a 1,2,4-triazole ring.
1,2,4-triazolopyrimidine-2-sulfonamides	CHEMONTID:0004681	Polycyclic aromatic compounds containing a 1,2,4-triazolo[1,5-a]pyrimidine ring system, which is substituted with a sulfonamide at the 2-position.
1,2,4-triazolopyrimidine-2-sulfonanilides	CHEMONTID:0004682	Polycyclic aromatic compounds containing a 1,2,4-triazolo[1,5-a]pyrimidine ring system, which is substituted with a sulfonanilide at the 2-position.
1,2,4-trisubstituted imidazoles	CHEMONTID:0002629	Imidazoles in which the imidazole ring is substituted at positions 1, 2, and 3.
1,2,4,5-tetrasubstituted imidazoles	CHEMONTID:0002633	Imidazoles in which the imidazole ring is substituted at for positions 1,2,4, and 5.
1,2,5-oxadiazines	CHEMONTID:0004739	Heterocyclic compounds containig an oxadiazine ring with one oxygen atom at the 1-position, and two nitrogen atoms at the 2-, and 5-position, respectively.
1,2,5-trisubstituted imidazoles	CHEMONTID:0002630	Imidazoles in which the imidazole ring is substituted at positions 1, 2, and 5.
1,3-aminoalcohols	CHEMONTID:0001852	Organic compounds containing an alkyl chain with an amine group bound to the C1 atom and an alcohol group bound to the C3 atom.
1,3-benzodithiins	CHEMONTID:0002806	Organic heterocyclic compounds containing a benzene ring fused to a 1,3-dithiin ring.
1,3-diacylglycerol-2-phosphates	CHEMONTID:0001556	Glycerol-2-phosphates in which the glycerol moiety is bonded to two aliphatic chains through ester linkages.
1,3-diacylglycerols	CHEMONTID:0001647	Diacylglycerols containing a glycerol acylated at positions 1 and 3.
1,3-diazepanes	CHEMONTID:0002922	Diazepanes having the two nitrogen atoms at position 1 and 3 of the diazepane ring.
1,3-diazepines	CHEMONTID:0001337	Organic compounds containing 1,3-diazepine, a seven-member heterocyclic ring with two nitrogen atoms in positions 1 and 3.
1,3-dicarbonyl compounds	CHEMONTID:0000133	Carbonyl compounds with the generic formula O=C(R)C(H)C(R')=O, where R and R' can be any group.
1,3-dihalobenzenes	CHEMONTID:0003665	Organic compounds that contain a benzene ring that is substituted by halogen atoms at exactly two carbon atoms, C1 and C3, respectively.
1,3-dioxanes	CHEMONTID:0001314	Organic compounds containing 1,3-dioxane, an aliphatic six-member ring with two oxygen atoms in ring positions 1 and 3.
1,3-dioxepanes	CHEMONTID:0002945	Dioxepanes with the two ring oxygen atoms at position 1 and 3, respectively.
1,3-dioxepines	CHEMONTID:0002941	Dioxepines with the two ring oxygen atoms at position 1 and 3, respectively.
1,3-dioxolanes	CHEMONTID:0001316	Organic compounds containing 1,3-dioxolane, an aliphatic five-member ring with two oxygen atoms in ring positions 1 and 3.
1,3-dioxoles	CHEMONTID:0000272	Organic compounds containing 1,3-dioxole, an aliphatic five-member ring with two oxygen atoms in ring positions 1 and 3 and a double bond.
1,3-diselenins	CHEMONTID:0003693	Organic heterocyclic compounds containing a 1,3-diselenin ring. Diselenin is a six-membered heterocyclic with for carbon atoms, and two selenium atoms at the 1- and 3-position.
1,3-dithiolane-2-carboxylic acids	CHEMONTID:0003376	Organic compounds containing a 1,3-dithiolane ring that bears a carboxylic acid group at the 2-position.
1,3-dithiolane-4-carboxylic acids	CHEMONTID:0003377	Organic compounds containing a 1,2-dithiolane ring that bears a carboxylic acid group at the 4-position.
1,3-dithiolanecarboxylic acids	CHEMONTID:0003380	Organic compounds containing a 1,3-dithiolane ring that bears one or more carboxylic acid groups. The 1,3-dithiolane moiety is a 5-membered ring with three carbon atoms, and two sulfur atoms at the 1- and 3- ring positions.
1,3-dithiolanes	CHEMONTID:0003373	Organic compounds containing a 1,3-dithiolane ring. 1,3-dithiolane moiety is a 5-membered saturated aliphatic ring with three carbon atoms, and two sulfur atoms at the 1- and 3- ring positions.
1,3-dithioles	CHEMONTID:0003625	Compounds containing a 5-membered unsaturated ring with three carbon atoms, and two sulfur atoms at the 1- and 3-positions, respectively.
1,3-isoquinolinediones	CHEMONTID:0002932	Isoquinoline derivatives carrying one C=O group at positions 1, and 3 respectively.
1,3-oxazepines	CHEMONTID:0001340	Organic compounds containing an aromatic seven-membered wring containing a nitrogen and an oxygen atom, a positions 1 and 3, respectively.
1,3-oxazinanes	CHEMONTID:0002790	Compounds contain an oxazinane ring with the nitrogen atom and the oxygen atom at positions 1 and 3, respectively.
1,3-oxazines	CHEMONTID:0001341	Organic compounds containing 1,3-oxazine, a six-member ring with a nitrogen and an oxygen atoms in ring positions 1 and 3 respectively, as well as two double bonds.
1,3-oxazolobenzo-1,4-diazepines	CHEMONTID:0004798	Aromatic heteropolycyclic compounds containing a 1,3-oxazole ring fused to the 1,-4-diazepine moiety of a 1,4-benzodiazepine ring system.
1,3-substituted cyclopentyl nucleosides	CHEMONTID:0003740	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a hydroxyl group and at the 3-position with either a purine or pyrimidine base.
1,3-substituted cyclopentyl purine nucleosides	CHEMONTID:0003718	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a hydroxyl group and at the 3-position with either a purine base.
1,3-substituted cyclopentyl pyrimidine nucleosides	CHEMONTID:0003720	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a hydroxyl group and at the 3-position with either a pyrimidine base.
1,3-substituted phosphonated cyclopentyl nucleosides	CHEMONTID:0003743	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a phosphonate group, and at the 3-position with either a purine or pyrimidine base.
1,3-substituted phosphonated cyclopentyl purine nucleosides	CHEMONTID:0003731	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a phosphonate group, and at the 3-position with either a purine base.
1,3-substituted phosphonated cyclopentyl pyrimidine nucleosides	CHEMONTID:0003732	Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a phosphonate group, and at the 3-position with either a pyrimidine base.
1,3-thiazines	CHEMONTID:0001347	Organic compounds containing 1,3-thiazine, a six-member ring with a nitrogen and a sulfur atoms in ring positions 1 and 3 respectively, as well as two double bonds.
1,3-thiazole carboxanilides	CHEMONTID:0004685	Aromatic heterocyclic compounds containing a 1,3-thiazolecarboxamide group, which is N-substituted with a phenyl group.
1,3-thiazolo[5,4-d]pyrimidines	CHEMONTID:0004401	Aromatic heteropolycyclic compounds containing a 1,3-thiazolo[5,4-d]pyrimidine ring system, which consists of a 1,3-thiazole ring fused to but not sharing a nitrogen atom with a pyrimidine ring.
1,3,4-oxadiazines	CHEMONTID:0004740	Heterocyclic compounds containig an oxadiazine ring with one oxygen atom at the 1-position, and two nitrogen atoms at the 3-, and 4-position, respectively.
1,3,4-oxadiazoles	CHEMONTID:0002925	Compounds containing an oxadiazole ring with the oxygen and the two nitrogen atoms at positions 1, 3, and 4, respectively.
1,3,4-thiadiazol-2-ylureas	CHEMONTID:0004668	Aromatic compounds containing a 1,3,4-thiadiazole ring, which is substituted at the 2-position with urea.
1,3,4-thiadiazol-3-yl-organothiophosphates	CHEMONTID:0004770	Aromatic heterocyclic compounds containing a 1,3,4-thiadiazole ring, which is substituted at the 2-position with an organothiophosphate group.
1,3,5-dithiazinanes	CHEMONTID:0004199	Cyclic compounds that contain a dithiazinane ring, which is a saturated heterocycle that consisting of one nitrogen atom, two sulfur atoms at the 1-,3-, and 5- position, respectively.
1,3,5-oxadiazines	CHEMONTID:0004741	Heterocyclic compounds containig an oxadiazine ring with one oxygen atom at the 1-position, and two nitrogen atoms at the 3-, and 5-position, respectively.
1,3,5-triazinanes	CHEMONTID:0002798	Triazinanes having three nitrogen ring atoms at the 1-, 3-, and 5- positions.
1,3,5-triazine ribonucleosides and ribonucleotides	CHEMONTID:0004104	Nucleosides or nucleotides with a structure that consists of a 1,3,5-triazine ring, which is N-linked to a ribose (or deoxyribose). Nucleotides have a phosphate group linked to the C5 carbon of the ribose (or deoxyribose) moiety.
1,3,5-triazine-2,4-diamines	CHEMONTID:0004734	Aromatic compounds containing a 1,3,5-triazine ring which is 2,4-disusbtituted wit amine groups.
1,3,5-triazines	CHEMONTID:0004105	Compounds containing a triazine ring, which is a heterocyclic ring, similar to the six-member benzene ring but with three carbons replaced by nitrogen atoms, at ring positions 1, 3, and 5.
1,4-benzodiazepines	CHEMONTID:0004097	Organic compounds containing a benzene ring fused to a 1,4-azepine.
1,4-benzodithiins	CHEMONTID:0002807	Organic heterocyclic compounds containing a benzene ring fused to a 1,4-dithiin ring.
1,4-diazepanes	CHEMONTID:0002923	Diazepanes having the two nitrogen atoms at position 1 and 4 of the diazepane ring.
1,4-diazepines	CHEMONTID:0001336	Organic compounds containing 1,4-diazepine, a seven-member heterocyclic ring with two nitrogen atoms in positions 1 and 4.
1,4-dihalobenzenes	CHEMONTID:0003666	Organic compounds that contain a benzene ring that is substituted by halogen atoms at exactly two carbon atoms, C1 and C4, respectively.
1,4-dihydroxy-2-halobenzenoids	CHEMONTID:0004695	Aromatic compounds containing a 1,-2-dihydroxybenzene moiety, which carries an halogen atom at the ring 2-position.
1,4-dioxanes	CHEMONTID:0001313	Organic compounds containing 1,4-dioxane, an aliphatic six-member ring with two oxygen atoms in ring positions 1 and 4.
1,4-dioxepanes	CHEMONTID:0002946	Dioxepanes with the two ring oxygen atoms at position 1 and 4, respectively.
1,4-dioxepines	CHEMONTID:0002942	Dioxepines with the two ring oxygen atoms at position 1 and 4, respectively.
1,4-diselenins	CHEMONTID:0003694	Organic heterocyclic compounds containing a 1,4-diselenin ring. Diselenin is a six-membered heterocyclic with for carbon atoms, and two selenium atoms at the 1- and 4-position.
1,4-disubstituted quinolizidines	CHEMONTID:0003786	Compounds containing a quinolizine ring system that is substituted only at the 1- and 4-positions. Some alkaloids possessing a quinolizidine disubstituted at the 1- and 4-positions with alkyl groups have been isolated.
1,4-isoquinolinediones	CHEMONTID:0002933	Isoquinoline derivatives carrying a C=O group at positions 1 and 4, respectively.
1,4-oxathiin carboxamides	CHEMONTID:0004217	Heterocyclic compounds containing a 1,4-oxathiin ring that carries a carboxamide group. 1,4-oxathiin is an unsaturated heterocycle where the carbon atoms at the 1-, and 4-positions are replaced by containing a sulfur atom and an oxygen atom, respectively.
1,4-oxazepines	CHEMONTID:0001339	Organic compounds containing an aromatic seven-membered wring containing a nitrogen and an oxygen atom, a positions 1 and 4, respectively.
1,4-oxazines	CHEMONTID:0001342	Organic compounds containing 1,4-oxazine, a six-member ring with a nitrogen and an oxygen atoms in ring positions 1 and 4 respectively, as well as two double bonds.
1,4-thiazines	CHEMONTID:0001349	Organic compounds containing 1,4-thiazine, a six-member ring with a nitrogen and a sulfur atoms in ring positions 1 and 4 respectively, as well as two double bonds.
1,5-diarylbiguanides	CHEMONTID:0004535	Organonitrogen compounds containing a biguanide that is N-substituted at the 1- and 5- positions with an aryl moiety.
1,8-naphthalic anhydrides	CHEMONTID:0003071	Organic aromatic compounds that contain a naphthalene carrying two carboxyl groups at the 1- and 8-positions. In naphthalene anhydrides, the two carboxyl groups at the 1- and 8-positions share one oxygen atom.
1'-(acyl-sn-glycero-3-phospho),3'-(acyl-sn-glycero-3-phospho)-sn-glycerols	CHEMONTID:0003388	Glycerophospholipids in which the O1 and O3 oxygen atoms of the central glycerol moiety are each linked to one 1-monoacylglyerol chain.
10,11-secoergolines	CHEMONTID:0002164	Ergoline derivatives, where carbon atoms C10 and C11 of the ergoline moiety are not linked to each other.
11-alpha-hydroxysteroids	CHEMONTID:0003234	Hydroxysteroids carrying a alpha-hydroxyl group at the 11-position.
11-beta-hydroxysteroids	CHEMONTID:0003227	Hydroxysteroids carrying a beta-hydroxyl group at the 11-position.
11-hydroxysteroids	CHEMONTID:0003228	Steroids carrying a hydroxyl group at the 11-position of the steroid backbone.
11-oxosteroids	CHEMONTID:0003059	Steroid derivatives carrying a C=O group at the 11-position of the steroid skeleton.
12-alpha-hydroxysteroids	CHEMONTID:0003242	Hydroxysteroids carrying a alpha-hydroxyl group at the 12-position.
12-beta-hydroxysteroids	CHEMONTID:0003243	Hydroxysteroids carrying a beta-hydroxyl group at the 12-position.
12-hydroxysteroids	CHEMONTID:0003241	Steroids carrying a hydroxyl group at the 12-position of the steroid backbone.
12-oxophytodienoic acid metabolites	CHEMONTID:0000511	Biologically active organic compounds containing 12-oxophytodienoic acid, which consists of an oxo-cyclopentene linked to both an octanoic acid chain and pentene chain.
12,13-diacylphorbols and derivatives	CHEMONTID:0003753	Diterpenoids with a structure based on the phorbol skeleton that is acylated at the 12- and 13-position.
13,28-epoxyoleananes	CHEMONTID:0004550	Triterpenoids that contain an oleanane skeleton substituted by an oxolane bridge at positions13 and 28.
14-alpha-methylsteroids	CHEMONTID:0004192	Steroids substituted at the 14-position with a methyl group in the alpha-configuration.
14-hydroxysteroids	CHEMONTID:0004495	Steroids carrying a hydroxyl group at the 14-position of the steroid backbone.
16-alpha-hydroxysteroids	CHEMONTID:0003230	Hydroxysteroids carrying a alpha-hydroxyl group at the 16-position.
16-beta-hydroxysteroids	CHEMONTID:0003231	Hydroxysteroids carrying a beta-hydroxyl group at the 16-position.
16-hydroxysteroids	CHEMONTID:0003229	Steroids carrying a hydroxyl group at the 16-position of the steroid backbone.
16-oxosteroids	CHEMONTID:0003060	Steroid derivatives carrying a C=O group at the 16-position of the steroid skeleton.
17-azasteroids and derivatives	CHEMONTID:0003253	Azasteroids where the carbon atom at the25 position is replaced by a nitrogen atom.
17-beta-hydroxysteroids	CHEMONTID:0003237	Hydroxysteroids carrying a beta-hydroxyl group at the 17-position.
17-carboxy steroids	CHEMONTID:0003369	Steroid compounds that carry a carboxyl group at the C17-atom of the steroid backbone.
17-furanylsteroids and derivatives	CHEMONTID:0002381	Steroidal compounds having a furanyl group linked to the steroid backbone at the C17 position.
17-hydroxysteroids	CHEMONTID:0003236	Steroids carrying a hydroxyl group at the 17-position of the steroid backbone.
17-oxosteroids	CHEMONTID:0003558	Steroid derivatives carrying a C=O group at the 17-position of the steroid skeleton.
18-hydroxysteroids	CHEMONTID:0004159	Steroids carrying a hydroxyl group at the 18-position of the steroid backbone.
19-oxosteroids	CHEMONTID:0003557	Steroid derivatives carrying a C=O group at the 19-position of the steroid skeleton.
1Z-alkenylacylglycerols	CHEMONTID:0003824	Diradylglycerols that carry exactly one acyl chain attached to the glycerol moiety through an ester linkage, and one 1Z-alkenyl chain attached through an ether linkage.
1Z-alkenyldiacylglycerols	CHEMONTID:0003816	Triradylglycerols that carry exactly two acyl chains attached to the glycerol moiety through an ester linkage, a 1-Z-alkenyl chain and attached through an ether linkage.
1Z-alkenylglycero-3-phosphates	CHEMONTID:0001254	Compounds containing glycerophosphate moiety attached to a 1-alkenyl group.
1Z-alkenylglycero-3-phosphoserines	CHEMONTID:0003838	Glycerophosphocholines that carry exactly one 1Z-alkenyl chain attached to the glycerol moiety through an ether linkage.
1Z-alkenylglycerophosphocholines	CHEMONTID:0003823	Glycerophosphocholines that carry exactly one 1Z-alkenyl chain attached to the glycerol moiety through an ether linkage.