Cn1cnc(N)c2ncc(=N)nc1-2    mol26220    0_1
Cn1cnc(N)c2ncc(=N)[nH+]c1-2    mol26220    1_1
Cn1cnc(N)c2ncc(=[NH2+])nc1-2    mol26220    1_2
Cn1c[nH+]c(N)c2ncc(=N)nc1-2    mol26220    1_3
Cn1cnc(N)c2[nH+]cc(=N)nc1-2    mol26220    1_4
Cn1cnc([NH3+])c2ncc(=N)nc1-2    mol26220    1_5