英文别名2-Hydroxy-3-ethoxycarbonyl-4-oxo-penten-(2); 2-acetyl-3-hydroxy-2-Butenoic acid ethyl ester; 2-Butenoic acid, 2-acetyl-3-hydroxy-, ethyl ester; Ethyl (Z)-2-acetyl-3-hydroxybut-2-enoate; ethyl 2-acetyl-3-hydroxybut-2-enoate; 2-Butenoic acid,2-acetyl-3-hydroxy-,ethyl ester; ETHYL 2-ACETYL-3-HYDROXY-2-BUTENOATE 
