英文同义词
ETHYL-4-BROMO-3-METHYLBUT-2-ENOATE;4-Bromo-3-methylcrotonoic acid ethyl ester;Ethyl-4-bromo-3-methylbut-2-enoate (E/Z: 55/45), ~90 %;Ethyl-4-bromo-3-methylbut-2-enoate (E/Z : 55/45);2-Butenoic acid, 4-broMo-3-Methyl-, ethyl ester;(E)-ethyl 4-bromo-3-methylbut-2-enoate;55/45);Ethyl-4-bromo-3-methylbut-2-enoate (E/Z