2-(5-propyloxolan-2-ylidene)cyclopentane-1,3-dione

2-溴-1,3-环戊二酮

2-pentylcyclopentane-1,3-dione

2,2'-(hexane-1,1-diyl)bis(3-hydroxycyclopent-2-en-1-one)

6,7-二氢-2-甲基环戊并[b]吡啶-5-酮