O=C(O)[C@@H]1[C@H](C(=O)O)C12c1ccccc1-c1ccccc12    mol12154    0_1
O=C(O)[C@@H]1[C@H](C(=O)[O-])C12c1ccccc1-c1ccccc12    mol12154    -1_1
O=C([O-])[C@@H]1[C@H](C(=O)[O-])C12c1ccccc1-c1ccccc12    mol12154    -2_1