Nc1cnc2c(Cl)ncnc2n1    mol8042    0_1
[NH3+]c1cnc2c(Cl)ncnc2n1    mol8042    1_1
Nc1cnc2c(Cl)[nH+]cnc2n1    mol8042    1_2
Nc1cnc2c(Cl)nc[nH+]c2n1    mol8042    1_3
Nc1c[nH+]c2c(Cl)ncnc2n1    mol8042    1_4
Nc1cnc2c(Cl)ncnc2[nH+]1    mol8042    1_5