Nc1nc(S)nc(S)n1    mol7609    0_1
Nc1nc([S-])nc(S)[nH+]1    mol7609    0_2
[NH3+]c1nc([S-])nc(S)n1    mol7609    0_3
[NH3+]c1nc([S-])nc([S-])n1    mol7609    -1_1
Nc1nc([S-])nc(S)n1    mol7609    -1_2
Nc1nc([S-])nc([S-])n1    mol7609    -2_1