pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.244	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.252	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.286	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.295	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.1	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.13	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.0	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.32	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.23	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.2	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.37	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.08	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.26	IUPAC digitized pKa	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.25	Organic Oxygen Acids and Nitrogen Bases	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.27	OCHEM	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.275	OCHEM	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.29999995231628	QSARToolbox	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
1.246666667	AttenGpKa training set	0	-1	O=C(O)C(=O)O	O=C([O-])C(=O)O	mol2014	O=C(O)C(=O)O
3.62	IUPAC digitized pKa	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
3.85	IUPAC digitized pKa	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
3.5	IUPAC digitized pKa	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
3.63	IUPAC digitized pKa	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
3.65	IUPAC digitized pKa	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
3.67	IUPAC digitized pKa	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
3.81	IUPAC digitized pKa	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
3.55	IUPAC digitized pKa	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
3.8	IUPAC digitized pKa	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
4.29	OCHEM	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
3.80999994277954	QSARToolbox	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O
4.213333333	AttenGpKa training set	-1	-2	O=C([O-])C(=O)O	O=C([O-])C(=O)[O-]	mol2014	O=C(O)C(=O)O