Nc1nc(O)c2nn[nH]c2n1    mol8339    0_1
Nc1nc([O-])c2n[nH+][nH]c2n1    mol8339    0_2
Nc1nc([O-])c2nn[nH]c2[nH+]1    mol8339    0_3
[NH3+]c1nc([O-])c2nn[nH]c2n1    mol8339    0_4
Nc1nc([O-])c2[nH+]n[nH]c2n1    mol8339    0_5
Nc1nc(O)c2nn[n-]c2n1    mol8339    -1_1
Nc1nc([O-])c2nn[nH]c2n1    mol8339    -1_2