4-[(2-iodoacetyl)amino]benzoic acid

4-[[2-(4-chlorophenoxy)acetyl]amino]benzoic acid

4-[(3,5-dinitrobenzoyl)amino]benzoic acid

4-(4-氟苯甲酰基氨基)苯甲酸

[4-[(4-aminobenzoyl)amino]phenyl]arsonic acid