Synonyms:
einecs 217-922-6 ; 4-((2,5-dichlorophenyl)azo)-5-hydroxy-1-phenylpyrazole-3-carboxylic acid, ethyl ester ; ethyl 4-[(2,5-dichlorophenyl)azo]-4,5-dihydro-5-oxo-1-phenyl-1h-pyrazole-3-carboxylate ; 4-[(2,5-dichlorophenyl)azo]-4,5-dihydro-5-oxo-1-phenyl-1h-pyrazole-3-carboxylic acid ethyl ester ; 1h-pyrazole-3-carboxylic acid, 4-((2,5-dichlorophenyl)azo)-4,5-dihydro-5-oxo-1-phenyl-, ethyl ester ; 1h-pyrazole-3-carboxylic acid, 4-(2-(2,5-dichlorophenyl)diazenyl)-4,5-dihydro-5-oxo-1-phenyl-, ethyl ester
