英文别名1,2-Dithiolane-3-pentanoic acid, ethyl ester; Ethyl Lipoicate; Thioctic Acid Impurity 21; Thioctic Acid Impurity 15; LIPOIC ACID ETHYL ESTER; Thioctic Acid ethyl ester; ethyl 5-(dithiolan-3-yl)pentanoate; ethyl lipotate; ethyl thioctate; 1,2-dithiolan-3-yl pentanoic acid ethyl ester