O=C(O)c1nc2ccccc2nc1C(=O)O    mol11273    0_1
O=C([O-])c1nc2ccccc2[nH+]c1C(=O)O    mol11273    0_2
O=C(O)c1nc2ccccc2[nH+]c1C(=O)[O-]    mol11273    0_3
O=C([O-])c1[nH+]c2ccccc2[nH+]c1C(=O)[O-]    mol11273    0_4
O=C([O-])c1nc2ccccc2[nH+]c1C(=O)[O-]    mol11273    -1_1
O=C([O-])c1nc2ccccc2nc1C(=O)O    mol11273    -1_2
O=C([O-])c1nc2ccccc2nc1C(=O)[O-]    mol11273    -2_1