(1R,2S,4aS,8aS)-(+)-methyl 2-hydroxy-5,5,8a-trimethyldecahydronaphthalene-1-carboxylate

(3aR,7aR)-hexahydro-4,4,7a-trimethyl-1-indanone

(+)-(3aS,7aS)-4,4,7a-trimethyloctahydro-1H-inden-1-one