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]2O	(1R,3S,5S,8R,10R,13R,14R)-13-hydroxy-5,10,14-trimethyl-17-methylidene-4,9,15-trioxatetracyclo[12.3.2.0^{8,10}.0^{3,5}]nonadecan-16-one