4-ethylidene-8-methylnon-7-en-2-one

5,9-dimethyldeca-4,8-dien-2-one

6,10-dimethylundeca-5,9-dien-3-one

1-ethyl-3-(4-methylpent-3-enyl)cyclopent-3-en-1-ol

7,11-dimethyldodeca-6,10-dien-4-one