Nc1cc2ccc(Cl)cc2nn1    mol4561    0_1
[NH3+]c1cc2ccc(Cl)cc2nn1    mol4561    1_1
Nc1cc2ccc(Cl)cc2n[nH+]1    mol4561    1_2
Nc1cc2ccc(Cl)cc2[nH+]n1    mol4561    1_3