pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.87	IUPAC digitized pKa	1	0	CN[NH3+],C[NH2+]N	CNN	mol5809	CNN
7.8699999	OCHEM	1	0	CN[NH3+],C[NH2+]N	CNN	mol5809	CNN
7.86999988555908	QSARToolbox	1	0	CN[NH3+],C[NH2+]N	CNN	mol5809	CNN
7.85	AttenGpKa training set	1	0	CN[NH3+],C[NH2+]N	CNN	mol5809	CNN