英文别名
4-(2',4'-Dimethylphenylazo)-3-methyl-1-phenylpyrazolin-5-on;5-methyl-2-phenyl-2H-pyrazole-3,4-dione 4-[(2,4-dimethyl-phenyl)-hydrazone];4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one;4-[(2,4-dimethylphenyl)diazenyl]-5-methyl-2-phenyl-4H-pyrazol-3-one