(Z)-5-ethoxy-3-methyl-5-(1-cyclohexenyl)-2-pentenal

5-(cyclohexen-1-yl)-5-ethoxy-3-methylpent-2-enal

methyl 5-methylhexa-3,5-dienoate

2,3-二溴-3-甲基丁醛

2,10-dimethylundeca-1,3,5,7,9-pentaene