pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.3	IUPAC digitized pKa	0	-1	O=C(O)COc1c(Cl)cccc1Cl	O=C([O-])COc1c(Cl)cccc1Cl	mol10502	O=C(O)COc1c(Cl)cccc1Cl
3.29999995231628	QSARToolbox	0	-1	O=C(O)COc1c(Cl)cccc1Cl	O=C([O-])COc1c(Cl)cccc1Cl	mol10502	O=C(O)COc1c(Cl)cccc1Cl