pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.63	IUPAC digitized pKa	1	0	Clc1c[nH+]c2ccccc2c1	Clc1cnc2ccccc2c1	mol4376	Clc1cnc2ccccc2c1
2.63000011444092	QSARToolbox	1	0	Clc1c[nH+]c2ccccc2c1	Clc1cnc2ccccc2c1	mol4376	Clc1cnc2ccccc2c1