2,3-二氢-2-硫酮-1H-苯并咪唑-5-甲酸甲酯

methyl 11-ethyl-6-methyl-5-oxopyrido[3,2-c][1,5]benzodiazepine-8-carboxylate

2,3-二氧代-1,2,3,4-四氢喹噁啉-6-羧酸甲酯

2-(4-carboxyphenyl)-3H-benzimidazole-5-carboxylic acid

2-氨基-1H-苯并咪唑-5-羧酸甲酯(9ci)