NN=Cc1ncnc2nc[nH]c12    mol4881    0_1
N[NH+]=Cc1ncnc2nc[nH]c12    mol4881    1_1
NN=Cc1[nH+]cnc2nc[nH]c12    mol4881    1_2
[NH3+]N=Cc1ncnc2nc[nH]c12    mol4881    1_3
NN=Cc1ncnc2[nH+]c[nH]c12    mol4881    1_4
NN=Cc1nc[nH+]c2nc[nH]c12    mol4881    1_5
NN=Cc1ncnc2nc[n-]c12    mol4881    -1_1
[NH-]N=Cc1ncnc2nc[nH]c12    mol4881    -1_2