2,2-二甲基-6-氧代环己烷羧酸甲酯

2,6,6-三甲基环己-2-烯-1-甲醇

methyl 2-(6,6-dimethyl-5-oxabicyclo[2.1.1]hexan-4-yl)acetate

methyl 2-(3-acetyloxy-2,2-dimethylcyclopentylidene)acetate

methyl 2-[2-(4-methylpent-3-enyl)-1,3-dioxolan-2-yl]acetate