C=C1CCC2=C(C)CO[C@H]2/C=C(\C)CC[C@H]2O[C@]2(C)CC[C@H]1OC(C)=O	(1S,2E,6R,8R,11R)-3,8,16-trimethyl-12-methylidene-7,18-dioxatricyclo[13.3.0.0^{6,8}]octadeca-2,15-dien-11-yl acetate