甲基4-[(2-吡啶基羰基)氨基]苯甲酸酯

methyl 4-[[4-[(4-methoxycarbonylphenyl)carbamoyl]benzoyl]amino]benzoate

N-苯基乙酰基-对氨基苯甲酸

methyl 4-(2H-triazol-4-ylamino)benzoate

methyl 4-[2-(cyanomethylimino)hydrazinyl]benzoate