英文别名2-Butenoic acid, 4-hydroxy-3-methyl-, ethyl ester, (2E)-; ethyl (2E)-4-hydroxy-3-methylbut-2-enoate; ethyl 4-hydroxy-3-methylbut-2-enoate; ethyl (E)-4-hydroxy-3-methyl-2-butenoate; (E)-4-hydroxy-3-methylbut-2-enoic acid ethyl ester; 2-Butenoic acid,4-hydroxy-3-methyl-,ethyl ester,(2E) 
