1-Acripruninone

Bicyclohumulone

Bicyclohumulenone

(+)-Bicyclohumulenone

(1β,5E)-3,3,6,10α-Tetramethylbicyclo[8.1.0]undec-5-en-9-one

(1S,5E,10S)-1,5,8,8-Tetramethylbicyclo[8.1.0]undec-5-en-2-one