pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.7	IUPAC digitized pKa	1	0	Nc1cc(Cl)cc[nH+]1,[NH3+]c1cc(Cl)ccn1	Nc1cc(Cl)ccn1	mol1587	Nc1cc(Cl)ccn1
5.69999980926514	QSARToolbox	1	0	Nc1cc(Cl)cc[nH+]1,[NH3+]c1cc(Cl)ccn1	Nc1cc(Cl)ccn1	mol1587	Nc1cc(Cl)ccn1