3-甲基-1,4-戊二烯

乙烯-beta-离子醇

(E)-2-methyl-4-(2,6,6-trimethyl-1-cyclohexenyl)-2-butenal

2-[(E)-3-methoxy-3-methyl-1,4-pentadienyl]-1,3,3-trimethylcyclohexene