英文别名ethylhydroxybutanoate,ethyl4-hydroxybutanoate; 4-Hydroxybutanoic acid ethyl ester; Ethyl 4-hydroxybutyrate; 4-Hydroxybutyric acid ethyl ester; Butanoic acid, 4-hydroxy-, ethyl ester; Elagolix Impurity 52; Elagolix Impurity 70; 4-hydroxy-butyric acid ethyl ester; 4-Hydroxy-buttersaeure-aethylester; 3-ethoxycarbonyl-1-propanol 
