2-(phenoxymethyl)-1H-quinazolin-4-one

methyl 2-(benzenesulfonamido)benzoate

2-[(4-乙氧基-4-氧代丁基)(4-甲基苯磺酰基)氨基]苯甲酸甲酯

Methyl 2-[(cyanoacetyl)amino]benzoate

5-[[3-carboxy-4-(carboxymethylamino)phenyl]methyl]-2-(carboxymethylamino)benzoic acid