2,2,4,9,11,11-hexamethyldodeca-4,8-diene-3,10-dione

7-ethenyl-2,2,4,7,9,9-hexamethyldec-4-ene-3,8-dione

4-hydroxy-2,2-dimethylpentan-3-one

2,4,4-三甲基戊烷-2,3-二醇