(E)-ethyl4,4-dimethoxybut-2-enoate;Ethyl (E)-4,4-Dimethoxy-2-butenoate; (E)-4,4-Dimethoxybut-2-enoic Acid Ethyl Ester; (E)-4,4-Dimethoxy-2-butenoic Acid Ethyl Ester
(E)-ethyl4,4-dimethoxybut-2-enoate;Ethyl (E)-4,4-Dimethoxy-2-butenoate; (E)-4,4-Dimethoxybut-2-enoic Acid Ethyl Ester; (E)-4,4-Dimethoxy-2-butenoic Acid Ethyl Ester