10475-63-5

Ethyl 3-oxo-2-(phenylhydrazono)butanoate ethyl (2Z)-3-oxo-2-(phenylhydrazono)butanoate 1-Ethoxy-2-(2-phenylhydrazono)-1,3-butanedione 2-(2-Phenylhydrazono)-3-oxobutyric acid ethyl ester 3-Oxo-2-(2-phenylhydrazono)butyric acid ethyl ester 3-Oxo-2-(2-phenylhydrazono)butanoic acid ethyl ester 2-(2-Phenylhydrazono)-3-oxobutanoic acid ethyl ester