英文别名
1-Phenyl-3-methyl-4-<4-methoxy-benzolazo>-5-pyrazolon;4-(p-Methoxyphenylazo)-3-methyl-1-phenylpyrazolin-5-on;5-methyl-2-phenyl-2H-pyrazole-3,4-dione 4-[(4-methoxy-phenyl)-hydrazone];4-[(E)-(4-methoxyphenyl)diazenyl]-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one;4-[(4-methoxyphenyl)diazenyl]-5-methyl-2-phenyl-4H-pyrazol-3-one