3-(叔丁基)环戊酮

bicyclo[2.2.1]heptan-4-ol

2-phenylsulfanylcyclopentan-1-one

4,7,7-trimethylbicyclo[3.2.0]hept-3-ene

(3aR,4'R,5'R,6aR)-4',5'-bis((benzyloxy)methyl)-2,2-dimethyl-3a,6a-dihydrospiro[cyclopenta[d][1,3]dioxole-4,2'-[1,3]dioxolane]