(4aS)-1,4aβ-dimethyl-4,4a,7,8-tetrahydronaphthalene-2,5(3H,6H)-dione-5-ethyeneacetal

(4aS,8aS)-5,5,8a-trimethyloctahydronaphthalen-1(2H)-one

(-)-(1'S,2'S,2R)-4-(2'-Hydroxy-2',6',6'-trimethylcyclohexyl)-2-methylbutanoic acid

(2ζ,4aS,8aS)-2,5,5,8a-Tetramethyl-3,4,4a,5,6,7,8,8a-octahydronaphthalen-1(2H)-one