pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.90000009536743	QSARToolbox	0	-1	O=C(O)COCC(=O)O	O=C([O-])COCC(=O)O	mol22532	O=C(O)COCC(=O)O
2.70000004768372	QSARToolbox	0	-1	O=C(O)COCC(=O)O	O=C([O-])COCC(=O)O	mol22532	O=C(O)COCC(=O)O
2.96	AttenGpKa training set	0	-1	O=C(O)COCC(=O)O	O=C([O-])COCC(=O)O	mol22532	O=C(O)COCC(=O)O
4.03000020980835	QSARToolbox	-1	-2	O=C([O-])COCC(=O)O	O=C([O-])COCC(=O)[O-]	mol22532	O=C(O)COCC(=O)O
4.21999979019165	QSARToolbox	-1	-2	O=C([O-])COCC(=O)O	O=C([O-])COCC(=O)[O-]	mol22532	O=C(O)COCC(=O)O
4.185	AttenGpKa training set	-1	-2	O=C([O-])COCC(=O)O	O=C([O-])COCC(=O)[O-]	mol22532	O=C(O)COCC(=O)O