methyl 2-hydroxy-4-(2-hydroxyethylamino)benzoate

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

4-amino-2-hydroxy-3,5-diiodobenzoic acid

4-amino-5-bromo-2-ethoxybenzoic acid

2-Azabicyclo[2.2.2]octan-5-ol