4-(环己基氨基)-3-硝基苯甲酸乙酯

Ethyl 3-amino-4-[(2-hydroxyethyl)amino]benzoate

methyl 6-oxo-5H-benzo[b][1,4]benzothiazepine-3-carboxylate

Ethyl 3-amino-4-(tert-butylamino)benzoate