pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.34	IUPAC digitized pKa	0	-1	O=C(O)C1=CCCC[C@@H]1C(=O)O	O=C([O-])C1=CCCC[C@@H]1C(=O)O,O=C(O)C1=CCCC[C@@H]1C(=O)[O-]	mol10442	O=C(O)C1=CCCCC1C(=O)O
5.31	IUPAC digitized pKa	-1	-2	O=C([O-])C1=CCCC[C@@H]1C(=O)O,O=C(O)C1=CCCC[C@@H]1C(=O)[O-]	O=C([O-])C1=CCCC[C@@H]1C(=O)[O-]	mol10442	O=C(O)C1=CCCCC1C(=O)O
4.34	OCHEM	-1	-2	O=C([O-])C1=CCCC[C@@H]1C(=O)O,O=C(O)C1=CCCC[C@@H]1C(=O)[O-]	O=C([O-])C1=CCCC[C@@H]1C(=O)[O-]	mol10442	O=C(O)C1=CCCCC1C(=O)O