4,4,6-trimethyl-1,3-dioxane

7-tert-butyl-2,2,4-trimethyl-3,4-dihydrochromen-6-ol

2,4,6-三甲基-3-环己烯-1-羧醛

4-甲基-1，3-戊二烯

4-甲基-3-戊醇