pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.620000004768372	QSARToolbox	2	1	CNC1=[NH+]C(=[OH+])C(=O)N1	CNC1=[NH+]C(=O)C(=O)N1,CNC1=NC(=O)C(=[OH+])N1	mol36541	CNC1=NC(=O)C(=O)N1