13-Keto-1(S),11(R)-dolabell-3(E),7(E),12(18)-triene

(6E,10E)-(4aS,13aR)-4a,7,11-Trimethyl-1,4a,5,8,9,12,13,13a-octahydro-benzocycloundecen-2-one

(5E,9E)-(3aS,12aS)-3a,6,10-Trimethyl-3,3a,4,7,8,11,12,12a-octahydro-2H-cyclopentacycloundecen-1-one

(5E,9E)-(3aR,12aS)-3a,6,10-Trimethyl-3,3a,4,7,8,11,12,12a-octahydro-cyclopentacycloundecene-1-carboxylic acid methyl ester

(5E,9E)-(3aS,12aR)-3a,6,10-Trimethyl-1,2,3,3a,4,7,8,11,12,12a-decahydro-cyclopentacycloundecene-1-carboxylic acid methyl ester