pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.13	IUPAC digitized pKa	1	0	NC(=O)c1cnc[nH+]c1N,NC(=O)c1c[nH+]cnc1N,NC(=O)c1cncnc1[NH3+]	NC(=O)c1cncnc1N	mol7009	NC(=O)c1cncnc1N
4.13000011444092	QSARToolbox	1	0	NC(=O)c1cnc[nH+]c1N,NC(=O)c1c[nH+]cnc1N,NC(=O)c1cncnc1[NH3+]	NC(=O)c1cncnc1N	mol7009	NC(=O)c1cncnc1N