pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.91000008583069	QSARToolbox	0	-1	O=C(O)[C@@]1(O)CCCC[C@]1(O)C(=O)O	O=C([O-])[C@@]1(O)CCCC[C@]1(O)C(=O)O	mol36991	O=C(O)[C@@]1(O)CCCC[C@]1(O)C(=O)O