Nc1ncncc1NC(=O)C(F)(F)F    mol4104    0_1
[NH3+]c1ncncc1NC(=O)C(F)(F)F    mol4104    1_1
Nc1nc[nH+]cc1NC(=O)C(F)(F)F    mol4104    1_2
Nc1[nH+]cncc1NC(=O)C(F)(F)F    mol4104    1_3