C=C1C(=O)O[C@]2(C)CC[C@@H]1C[C@@H]1O[C@@]1(C)CC[C@@H]1O[C@]1(C)CC[C@H]2OC(C)=O	[(1R,3S,5S,8S,10R,13R,14R)-5,10,14-trimethyl-17-methylidene-16-oxo-4,9,15-trioxatetracyclo[12.3.2.03,5.08,10]nonadecan-13-yl] acetate