COCCC(=O)[C@]1(C)[C@@H]2C(=C[C@@H](C)C[C@@H]2O)C=C[C@@]1(C)O 3-methoxy-1-(1,4-dihydroxy-1,4a,8-trimethyl-1,2,3,4,4a,5,8,8a-octahydronaphthalen-2-yl)propan-1-one