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