2-[(1S,2S,5R,8aR)-1,2,5-Trimethyl-5-(4-methyl-pent-4-enyl)-1,2,3,5,6,7,8,8a-octahydro-naphthalen-1-yl]-ethanol

[(1S,2S,5R,8aS)-5-(3-Benzyloxy-propyl)-2-hydroxymethyl-5-methyl-1-(2-triisopropylsilanyloxy-ethyl)-1,2,3,5,6,7,8,8a-octahydro-naphthalen-1-yl]-methanol