C=C1C(=O)O[C@]2(C)CC[C@@H]1C[C@H](O)[C@@]1(C)CC[C@@H](O1)C(=C)CC[C@H]2OC(C)=O	[(1R,3S,4R,7R,11R,12R)-3-hydroxy-4,12-dimethyl-8,15-dimethylidene-14-oxo-13,18-dioxatricyclo[10.3.2.14,7]octadecan-11-yl] acetate