pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.91	IUPAC digitized pKa	0	-1	O=C(O)C(Cc1ccccc1)C(=O)O	O=C([O-])C(Cc1ccccc1)C(=O)O	mol11205	O=C(O)C(Cc1ccccc1)C(=O)O
2.56	IUPAC digitized pKa	0	-1	O=C(O)C(Cc1ccccc1)C(=O)O	O=C([O-])C(Cc1ccccc1)C(=O)O	mol11205	O=C(O)C(Cc1ccccc1)C(=O)O
5.87	IUPAC digitized pKa	-1	-2	O=C([O-])C(Cc1ccccc1)C(=O)O	O=C([O-])C(Cc1ccccc1)C(=O)[O-]	mol11205	O=C(O)C(Cc1ccccc1)C(=O)O
5.22	IUPAC digitized pKa	-1	-2	O=C([O-])C(Cc1ccccc1)C(=O)O	O=C([O-])C(Cc1ccccc1)C(=O)[O-]	mol11205	O=C(O)C(Cc1ccccc1)C(=O)O