(1R,2R,4aR,8aR)-(-)-1-hydroxymethyl-2-hydroxy-5,5,8a-trimethyldecahydronaphthalene

(1'S,4'aR,8'aR)-5',5',8'a-trimethyl-octahydrospiro{[1,3]dioxolane-2,2'-naphthalene}-1'-carboxylic acid (-)-menthyl ester

(4aR,8aR)-(+)-1-methylene-2-oxo-5,5,8a-trimethyldecahydronaphthalene

(1R,4aR,8aR)-1,2,3,4,4a,5,6,7,8,8a-decahydro-5,8,8a-trimethyl-2-oxo-trans-naphthalene-1-methanol-2-ethylene acetal

(1R,4aS,8aS)-5,5,8a-trimethyl-2-oxo-decahydro-naphthalene-1-carboxylic acid benzyl ester