Synonyms: | ethyl 4,5-dihydro-4-[(2-nitrophenyl)azo]-5-oxo-1-phenyl-1H-pyrazole-3-carboxylate;4,5-Dihydro-4-[(2-nitrophenyl)azo]-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid ethyl ester;1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-4-((2-nitrophenyl)azo)-5-oxo-1-phenyl-, ethyl ester;1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-4-(2-(2-nitrophenyl)diazenyl)-5-oxo-1-phenyl-, ethyl ester;5-Hydroxy-4-((o-nitrophenyl)azo)-1-phenylpyrazole-3-carboxylic acid, ethyl ester;Einecs 269-274-9 |