O=C(O)c1ccc([N+](=O)[O-])cc1C(=O)O    mol10492    0_1
O=C([O-])c1ccc([N+](=O)[O-])cc1C(=O)O    mol10492    -1_1
O=C([O-])c1cc([N+](=O)[O-])ccc1C(=O)O    mol10492    -1_2
O=C([O-])c1ccc([N+](=O)[O-])cc1C(=O)[O-]    mol10492    -2_1