Cn1nc2ncnc(NN)c2n1    mol8351    0_1
Cn1nc2ncnc([NH2+]N)c2n1    mol8351    1_1
Cn1nc2c(NN)ncnc2[nH+]1    mol8351    1_2
Cn1nc2nc[nH+]c(NN)c2n1    mol8351    1_3
Cn1nc2ncnc(N[NH3+])c2n1    mol8351    1_4
Cn1nc2[nH+]cnc(NN)c2n1    mol8351    1_5
Cn1nc2ncnc(NN)c2[nH+]1    mol8351    1_6