Synonyms: | 4-[(2-ethoxyphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one;2,4-Dihydro-4-((2-ethoxyphenyl)azo)-5-methyl-2-phenyl-3H-pyrazol-3-one;3H-Pyrazol-3-one, 4-((2-ethoxyphenyl)azo)-2,4-dihydro-5-methyl-2-phenyl-;3H-Pyrazol-3-one, 4-(2-(2-ethoxyphenyl)diazenyl)-2,4-dihydro-5-methyl-2-phenyl-;Einecs 267-973-3 |