CC1=C[C@H]2[C@H]([C@H](C)CCC[C@@H](C)[C@H]3OC[C@H]4O[C@@H](O3)[C@H](O)[C@@H](O)[C@@H]4O)CC=C(C)[C@H]2CC1 (1S,3S,6R,7S,8S,9R)-3-[(2R,6R)-6-[(1S,4aS,8aR)-4,7-dimethyl-1,2,4a,5,6,8a-hexahydronaphthalen-1-yl]heptan-2-yl]-2,4,10-trioxabicyclo[4.3.1]decane-7,8,9-triol