英文别名4'-Methylphenazone; 1,2-dihydro-1,5-dimethyl-2-(p-tolyl)-3H-pyrazol-3-one; 1,5-Dimethyl-2-(p-tolyl)-1H-pyrazol-3(2H)-one; 1,5-dimethyl-2-(p-tolyl)-1,2-dihydro-3H-pyrazol-3-one; 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-2-(4-methylphenyl)-; 1,2-Dihydro-1,5-dimethyl-2-(4-methylphenyl)-3H-pyrazol-3-one; 1,5-dimethyl-2-(4-methylphenyl)pyrazol-3-one 
