5-pyrazolone 89-25-8

english name: edaravone common aliases: 3-methyl-1-phenyl-2-pyrazolin-5-one;1,3,5-pyrazolone;1-phenyl-3-methyl-5- pyrazolone;2,4-dihydro-5-methyl-2-phenyl;2,4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-on…