3-allyl-2-methyl-4-oxocyclopent-2-en-1-yl 3-methylbut-2-enoate

3,7-二甲基-2,6-辛二烯基 3-甲基巴豆酸酯

苯基(2-甲基-1-丙烯基)甲酮

2-(dimethylamino)ethyl 3-methylbut-2-enoate

octyl 3-methylbut-2-enoate