3,5,5-trimethyl-2-(3-oxobutyl)cyclohex-2-en-1-one

2,2,4,4-四甲基环戊酮

1,5,5,1',5',4'-hexamethyl-bicyclohexyl-3,3'-dione

3,5,5-trimethylcyclohex-1-ene

1,5,5-trimethyl-3-propan-2-ylidenecyclohexene