Nc1cnc(Cl)nc1N    mol4130    0_1
Nc1nc(Cl)ncc1[NH3+]    mol4130    1_1
Nc1cnc(Cl)[nH+]c1N    mol4130    1_2
Nc1cnc(Cl)nc1[NH3+]    mol4130    1_3
Nc1c[nH+]c(Cl)nc1N    mol4130    1_4