英文别名Edaravone Impurity 13; Ethyl (3E)-3-(2-phenylhydrazin-1-ylidene)butanoate; Edaravone Impurity 22; Edaravone impurity EPH; 3-(Phenyl-hydrazono)-butyric acid ethyl ester; Butanoic acid, 3-(2-phenylhydrazinylidene)-, ethyl ester; N-fenilhidrazona del acetilacetato de etilo; Acetessigester-phenylhydrazon; 3-phenylhydrazono-butyric acid ethyl ester; 3-Phenylhydrazono-buttersaeure-aethylester; Acetessigsaeureaethylester-phenylhydrazon 
