O=C(O)C[C@@H]1CCC[C@@H]1C(=O)[O-]    mol36299    -1_1
O=C([O-])C[C@@H]1CCC[C@@H]1C(=O)O    mol36299    -1_2
O=C([O-])C[C@@H]1CCC[C@@H]1C(=O)[O-]    mol36299    -2_1