COC(C)(C)/C1=C/C=C(\C)CC[C@@H]2O[C@@]2(C)CC/C=C(\C)CC1	(1E,3E,7R,8S,11E)-1-(2-methoxy-propan-2-yl)-4,8,12-trimethyloxabicyclo[12.1.0]-pentadeca-1,3,11-triene