2-methyl-2-[2-(2,6,6-trimethylcyclohexen-1-yl)ethenyl]-1,3-dioxolane

1,1,6-三甲基-1,2-二氢萘

β-紫罗兰酮

1-(4,4,7a-trimethyl-2,4,5,6,7,7a-hexahydro-benzofuran-2-yl)-ethanone

6-methyl-6-(5-methylfuran-2-yl)heptan-2-one