methyl 2-allyl-2-methyl-6-oxocyclohexanecarboxylate

methyl 6-<(1,3-dioxolan-2-yl)methyl>-2,6-dimethyl-1-cyclohexene-1-carboxylate

1-carbomethoxy-6-allyl-6-methyl-1-cyclohexenyl diethyl phosphate