pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.36	IUPAC digitized pKa	0	-1	O=C(O)c1ccc(Cl)c2ccccc12	O=C([O-])c1ccc(Cl)c2ccccc12	mol11541	O=C(O)c1ccc(Cl)c2ccccc12
3.35999989509583	QSARToolbox	0	-1	O=C(O)c1ccc(Cl)c2ccccc12	O=C([O-])c1ccc(Cl)c2ccccc12	mol11541	O=C(O)c1ccc(Cl)c2ccccc12