pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.19999980926514	QSARToolbox	-1	-2	O=C([O-])[CH][C@@H](O)C(=O)O,O=C(O)[CH][C@@H](O)C(=O)[O-]	O=C([O-])[CH][C@@H](O)C(=O)[O-]	mol36764	O=C(O)[CH]C(O)C(=O)O