英文别名
1-Phenyl-3-methyl-4-<3-chlor-benzolazo>-5-pyrazolon;3-Methyl-1-phenyl-4-(m-chlorbenzolazo)-5-pyrazolon;4-(m-Chlorphenylazo)-3-methyl-1-phenylpyrazolin-5-on;5-methyl-2-phenyl-2H-pyrazole-3,4-dione 4-[(3-chloro-phenyl)-hydrazone];4-((3-Chlorophenyl)diazenyl)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one;4-[(3-chlorophenyl)diazenyl]-5-methyl-2-phenyl-4H-pyrazol-3-one