2-nitrobutyranilide

1-hydroxy-4-oxy-1H-quinoxalin-2-one

N-(2-硝基苯基)氨基甲酸甲酯

α-Chlor-α-phenyl-2-nitroacetanilid

2-((2-nitrophenyl)amino)-2-oxo-1-phenylethyl acetate