Nc1nc(N)c2cn[nH]c2n1    mol4938    0_1
Nc1nc([NH3+])nc2[nH]ncc12    mol4938    1_1
Nc1nc([NH3+])c2cn[nH]c2n1    mol4938    1_2
Nc1nc(N)c2c[nH+][nH]c2n1    mol4938    1_3
Nc1nc2[nH]ncc2c(N)[nH+]1    mol4938    1_4
Nc1nc(N)c2cn[nH]c2[nH+]1    mol4938    1_5