7,7,9-trimethyl-1,4-dioxaspiro[4.5]dec-8-ene

1,1-ethylenedioxy-3,5,5-trimethylcyclohex-2-ene

4-氯-2,3,5-三甲基-苯酚

3-(3,4,5-trimethylphenoxy)propan-1-ol

methyl 3,3-dimethyl-5-oxohexanoate