2-prop-2-ynylcyclopentan-1-one

2-(2-chloroprop-2-enyl)cyclopentan-1-one

2-methoxy-2-methyl-3,3a,4,5-tetrahydro-2H-cyclopenta[b]furan

2-[2-methoxy-2-(2,2,2-trifluoroethoxy)propyl]cyclopentanone

2-氯环戊酮