英文别名Glimepiride Impurity 21; Glimepiride Impurity 44; 2-ethyl-3-cyano-3-hydroxy-butyric acid ethyl ester; 2-Aethyl-3-cyan-3-hydroxy-buttersaeure-aethylester; ethyl 2-ethyl-3-oxobutanoate cyanohydrin; Butanoic acid,3-cyano-2-ethyl-3-hydroxy-,ethyl ester