Oc1nc2cnc(Cl)cc2[nH]1    mol7973    0_1
[O-]c1nc2c[nH+]c(Cl)cc2[nH]1    mol7973    0_2
Oc1nc2c[nH+]c(Cl)cc2[nH]1    mol7973    1_1
Oc1[nH]c2cc(Cl)ncc2[nH+]1    mol7973    1_2
[O-]c1nc2cnc(Cl)cc2[nH]1    mol7973    -1_1
Oc1nc2cnc(Cl)cc2[n-]1    mol7973    -1_2
[O-]c1nc2cnc(Cl)cc2[n-]1    mol7973    -2_1