2-乙酰基-5,5-二甲基-1,3-环己二酮

7-ethoxy-4,4-dimethylbicyclo[4.2.0]oct-1(6)-en-2-one

3,3-dimethyl-2,4-dihydrotetracene-1,6,11-trione

(4,4-dimethyl-2-oxo-7-pent-4-enoxy-6-bicyclo[4.2.0]octanyl) acetate

5,5-dimethyl-3-phenylselanylcyclohex-2-en-1-ol