英文别名1-Hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid; 1-Hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-2-propanesulfonic acid; 4,5-Dihydro-alpha-(hydroxymethyl)-alpha,3-dimethyl-5-oxo-1-phenyl-1H-pyrazole-4-methanesulfonic acid; 1-hydroxy-2-(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)propane-2-sulfonic acid; AC-30011; 1-Hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonicacid; 4,5-Dihydro-a-(hydroxymethyl)-a,3-dimethyl-5-oxo-1-phenyl-1H-pyrazole-4-methanesulfonic acid; Edaravone Hydroxymethyl Impurity; Edaravone-5; 1-hydroxy-2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)propane-2-sulfonic acid; Edaravone Imp G 
