pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.1	IUPAC digitized pKa	1	0	[NH3+]c1cc(Cl)ncn1,Nc1cc(Cl)[nH+]cn1,Nc1cc(Cl)nc[nH+]1	Nc1cc(Cl)ncn1	mol4063	Nc1cc(Cl)ncn1
2.09999990463257	QSARToolbox	1	0	[NH3+]c1cc(Cl)ncn1,Nc1cc(Cl)[nH+]cn1,Nc1cc(Cl)nc[nH+]1	Nc1cc(Cl)ncn1	mol4063	Nc1cc(Cl)ncn1