pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.8	IUPAC digitized pKa	1	0	Clc1ccc2c(Cl)cc[nH+]c2c1	Clc1ccc2c(Cl)ccnc2c1	mol4396	Clc1ccc2c(Cl)ccnc2c1
2.79999995231628	QSARToolbox	1	0	Clc1ccc2c(Cl)cc[nH+]c2c1	Clc1ccc2c(Cl)ccnc2c1	mol4396	Clc1ccc2c(Cl)ccnc2c1