[H]C(C)(C(C)C)C([H])(O)C([H])(O)C([H])(C)[C@@]1([H])CC[C@@]2([H])[C@]3([H])CC[C@@]4([H])CC([H])(OC5([H])OC([H])(C(O)=O)C([H])(O)C([H])(O)C5([H])O)C([H])(O)C[C@]4(C)[C@@]3([H])CC[C@]12C