(-)-5-{2-[6-(furan-3-yl)-5,6-dihydro-2H-pyran-3-yl]-ethyl}-5,6,8a-trimethyl-octahydronaphthalen-1-one

(+)-5-{2-[6-(furan-3-yl)-5,6-dihydro-2H-pyran-3-yl]-ethyl}-5,6,8a-trimethyl-decahydronaphthalen-1-ol

(-)-2-(furan-3-yl)-5-[2-(1,2,4a-trimethyl-5-methylene-decahydronaphthalen-1-yl)-ethyl]-3,6-dihydro-2H-pyran

(+)-2-(furan-3-yl)-5-[2-(1,2,4a,5-tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl)-ethyl]-3,6-dihydro-2H-pyran