6-hydroxy-3-methoxymethyl-5,5-dimethyl-2-cyclohexenone

3,3,5-trimethylcyclohexa-1,5-diene-1-carboxylic acid

3-chloro-1,5,5-trimethylcyclohexa-1,3-diene

1-chloro-5,5-dimethyl-3-methylidenecyclohexene

3,3,5-trimethyl-11-oxabicyclo[7.2.1]dodeca-5,9(12)-dien-10-one