CC(=O)O[C@H]1C/C(C)=C/CC[C@@]2(C)O[C@@H]2CC/C(C)=C/C=C\1C(C)C	(1E,3E,7R,8R,11E,14R)-3,4-epoxy-14-acetatecembra-1,3,11-trien-14-ol