C=C1C(=O)O[C@]2(C)CC[C@@H]1C[C@H]1O[C@@]1(C)C[C@H]1O[C@H]1/C(C)=C/C[C@@H]2O	(1R,3R,5S,7R,9S,10E,13S,14R)-13-hydroxy-5,10,14-trimethyl-17-methylidene-4,8,15-trioxatetracyclo[12.3.2.0^{7,9}.0^{3,5}]nonadec-10-en-16-one