3,4,5,6,7,8-hexahydro-2(1H)-naphthalenone

cis-tricyclo[5.4.0.01,3]undec-4-en-6-one

7-hydroxybicyclo[5.4.0]undec-9-en-2-one

syn-6-chloromethylenecyclodec-3-enone

syn-11-chloro-1,6-dihydroxybicyclo[4.4.1]undec-3-ene