[H]C1(O)C[C@]2(C)C(CCC3([H])[C@@]4(C)CCC([H])(OC5([H])OC([H])(C(O)=O)C([H])(O)C([H])(O)C5([H])O)C(C)(C)C4([H])CC[C@@]23C)=C2CC(C)(C)CC[C@]12C