pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.31	IUPAC digitized pKa	0	-1	O=C(O)[C@@H](O)c1ccccc1Cl	O=C([O-])[C@@H](O)c1ccccc1Cl	mol10555	O=C(O)C(O)c1ccccc1Cl
3.30999994277954	QSARToolbox	0	-1	O=C(O)[C@@H](O)c1ccccc1Cl	O=C([O-])[C@@H](O)c1ccccc1Cl	mol10555	O=C(O)C(O)c1ccccc1Cl