2-pentylcyclopentane-1,3-dione

3-氧代-1-环戊烷羧酸

methyl ((3-oxocyclopentyl)methyl) carbonate

6a-pentyltetrahydro-1H-cyclopenta[c]furan-1,6(3H)-dione

2-pentyl-3-((phenylselanyl)methyl)cyclopentan-1-one