pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.67	IUPAC digitized pKa	0	-1	O=C(O)c1cccc(Cl)c1Cl	O=C([O-])c1cccc(Cl)c1Cl	mol10032	O=C(O)c1cccc(Cl)c1Cl
2.67000007629395	QSARToolbox	0	-1	O=C(O)c1cccc(Cl)c1Cl	O=C([O-])c1cccc(Cl)c1Cl	mol10032	O=C(O)c1cccc(Cl)c1Cl