CO[C@]12C[C@@](C)(O)[C@@H]3CC[C@H](C(C)=O)[C@H]3C1=C(C)C(=O)O2	(3aS,5R,5aR,8S,8aS)-8-acetyl-5-hydroxy-3a-methoxy-1,5-dimethyl-4,5a,6,7,8,8a-hexahydrocyclopenta[e][1]benzofuran-2-one