4-chloro-N-(4-nitrophenyl)butanamide

methyl 2-(4-nitroanilino)-2-oxoacetate

n-(4-氨基苯基)氨基甲酸苄酯

3-(4-nitroanilino)-1-phenylpropan-1-one

N-[2-(4-nitroanilino)ethyl]acetamide