英文别名1H-Pyrazole-4,5-dione,3-Methyl-1-phenyl-; 3-methyl-1-phenyl-2-pyrazolin-4,5-dione; 5-methyl-2-phenylpyrazole-3,4-dione; 3-Methyl-1-phenyl-2-pyrazoline-4,5-dione; 3-methyl-1-phenyl-1,2-diazoline-4,5-dione; 3-methyl-4,5-dioxo-1-phenyl-2-pyrazoline; 3-methyl-1-phenyl-1H-pyrazole-3,4-dione; 5-methyl-2-phenyl-3,4-dihydro-2H-pyrazol-3,4-dione; 3-methyl-1-phenylpyrazolidin-4,5-dione; Edaravone Impurity 29 
