1,1-二甲基环戊烷

5-Brom-3,3-dimethyl-cyclopenten-(1)

4,4-二甲基-2-环戊烯-1-酮

4,4-dimethylcyclopent-2-en-1-ol

4,4-Dimethyl-1,2-bis(trimethylsiloxy)cyclopent-1-en