ethyl 3-methyl-2-(trimethylgermyl)-3-butenoate

1-溴-3-甲基-2-丁烯

3-甲基-2-丁烯酸乙酯

5-Methyl-2-(1'-methylethyliden)-4-hexensaeure-ethylester

((E)-1-Ethoxy-3-methyl-buta-1,3-dienyloxy)-trimethyl-silane