O=C([O-])c1c[nH+]c2ccccc2c1    mol13798    0_1
O=C(O)c1cnc2ccccc2c1    mol13798    0_2
O=C(O)c1c[nH+]c2ccccc2c1    mol13798    1_1
O=C([O-])c1cnc2ccccc2c1    mol13798    -1_1