2-chloroethyl 4-amino-2-hydroxybenzoate

3-amino-6-(1,3-dihydrobenzimidazol-2-ylidene)cyclohexa-2,4-dien-1-one

3-aminoheptanedioic acid

3-羟基-4-(羟基甲基)-苯甲酸甲酯

4,5-二氧代-4,5-二氢-1H-吡咯[2,3-f]喹啉-2,7,9-三羧酸三甲酯