Nc1cnc2cncnc2n1    mol4709    0_1
[NH3+]c1cnc2cncnc2n1    mol4709    1_1
Nc1cnc2cnc[nH+]c2n1    mol4709    1_2
Nc1cnc2cncnc2[nH+]1    mol4709    1_3
Nc1cnc2c[nH+]cnc2n1    mol4709    1_4
Nc1c[nH+]c2cncnc2n1    mol4709    1_5