[O-]c1nc[nH+]c2cccnc12    mol4688    0_1
[O-]c1ncnc2ccc[nH+]c12    mol4688    0_2
Oc1ncnc2cccnc12    mol4688    0_3
[O-]c1nc[nH+]c2ccc[nH+]c12    mol4688    1_1
Oc1nc[nH+]c2cccnc12    mol4688    1_2
Oc1ncnc2ccc[nH+]c12    mol4688    1_3
Oc1[nH+]cnc2cccnc12    mol4688    1_4
[O-]c1ncnc2cccnc12    mol4688    -1_1