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Aromatic heterocyclic compounds containing 6,7-dihydropteridine, a bicyclic compound that results from the dehydrogenation of pteridine at the 6-, and 7-positions.
Compounds that contain an alkylamine group attached at the 6-position of a purine. Purine is a bicyclic aromatic compound made up of a pyrimidine ring fused to an imidazole ring.
Aromatic heterocyclic compounds containing a tetrahydroquinoline ring system substituted at the 4- and the 6- positions with a phenyl group and an amine group, respectively.