1,4,4-trimethylcyclohex-2-en-1-ol

2,6-dichloro-4,4-dimethylcyclohexa-2,5-dien-1-one

5,5-dimethylcyclopentene-1-carbaldehyde

acetic acid,4,4-dimethylcyclohexa-1,5-dien-1-ol

6-溴-4,4-二甲基-2-环己酮