英文同义词
Ethanedioic acid, monoethyl ester, hydrazide;Ethanedioic acid 1-ethyl ester 2-hydrazide;Ethyl 2-hydrazino-2-oxoacetate;Ethyl carbazoylformate;Ethyl hydrogen oxalate hydrazide;Ethyl oxalyl hydrazide;Monoethyl oxalate hydrazide;Oxalic acid monoethyl ester hydrazide