2-(4-chloro-2-nitro-phenylhydrazono)-3-oxo-butyric acid ethyl ester

Butanoic acid, 2-[(2-nitrophenyl)hydrazono]-3-oxo-, ethyl ester (en)

4-氯-2-硝基偶氮苯

2-氯乙酰乙酸乙酯

乙酸钠