(1R,4S,4aS,8aS)-4-((R)-1-hydroxypropan-2-yl)-1,6-dimethyl-1,3,4,7,8,8a-hexahydronaphthalen-4a(2H)-ol

(3R,3aS,6R,7S,7aS)-3,6-dimethyl-7-((E)-3-methylsilanyl-but-2-enyl)-7a-vinylhexahydro-benzofuran-2-one

(3R,3aS,6R,7S,7aS)-3,6-dimethyl-7-(3-oxo-butyl)-7a-vinyl-hexahydro-benzofuran-2-one

(3R,3aS,6R,7S,7aS)-3,6-dimethyl-7-(3-methyl-but-3-enyl)-7a-vinyl-hexahydro-benzofuran-2-one