(3aS,3bR,4R,6aR)-4-benzyloxy-3,3a,3b,4,5,6,6a,7-octahydro-3a,5,5-trimethyl-1-(methylthio)cyclopentapentalen-2-one

(3aS,3bR,4R,6aR,7aS)-4-Benzyloxy-7a-ethylsulfanyl-3a,5,5-trimethyl-1-methylsulfanyl-decahydro-cyclopenta[a]pentalen-2-one

(1S,3aR,6R,6aR)-(+)-6-(Benzoyloxy)-1-(2-chlor-2-propenyl)-3,3a,4,5,6,6a-hexahydro-1,5,5-trimethyl-2(1H)-pentalenon

(1S,3aR,6R,6aR)-(-)-6-Benzoyloxy-3,3a,4,5,6,6a-hexahydro-1,5,5-trimethyl-1-(2-oxopropyl)-2(1H)-pentalenon