C=C1[C@@]2(C)C[C@H]3[C@]4(C)[C@H](O)[C@@H]5C[C@@](C)(OC5=O)[C@H]4CC[C@]3(C)[C@@]13C(=O)O[C@H](C)[C@@]3(O)C2=O	brasilianoid F