英文别名3-Oxo-2-(2-phenylhydrazono)butanoic acid ethyl ester; 1-Ethoxy-2-(2-phenylhydrazono)-1,3-butanedione; 2-(2-Phenylhydrazono)-3-oxobutanoic acid ethyl ester; 2-(2-Phenylhydrazono)-3-oxobutyric acid ethyl ester; 3-Oxo-2-(2-phenylhydrazono)butyric acid ethyl ester; ethyl (2Z)-3-oxo-2-(phenylhydrazono)butanoate; ethyl (2E)-3-oxo-2-(phenylhydrazinylidene)butanoate; Butyric acid,3-oxo-,ethyl ester,2-phenylhydrazone; ethyl 2-(2-phenylhydrazono)-3-oxobutanoate; ethyl 2-(phenylhydrazono)-3-oxobutyrate; ethyl 2,3-dioxobutanoate 2-phenylhydrazone; ethyl 2-(N-phenylhydrazono)-3-oxobutanoate; Butanoic acid, 3-oxo-2-(phenylhydrazono)-, ethyl ester; ethyl (2E)-3-oxo-2-(2-phenylhydrazinylidene)butanoate