Nc1cc(Cl)nc(N)n1    mol4129    0_1
Nc1cc(Cl)nc([NH3+])n1    mol4129    1_1
Nc1cc(Cl)[nH+]c(N)n1    mol4129    1_2
Nc1cc(Cl)nc(N)[nH+]1    mol4129    1_3
Nc1nc([NH3+])cc(Cl)n1    mol4129    1_4