4,4-二甲氧基-2-丁烯酸乙酯;(E)-4,4-二甲氧基-2-丁烯酸乙酯
2-Butenoic acid, 4,4-
2-Butenoic acid, 4,4-;(2E)-4,4-Dimethoxybut-2-enoic acid ethyl ester;(E)-4,4-Dimethoxy-2-butenoic acid ethyl ester;Ethyl (E)-4,4-dimethoxy-2-butenoate;2-Butenoic acid, 4,4-diMethoxy-, ethyl ester