pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.75	IUPAC digitized pKa	0	-1	O=C(O)CCc1ccccc1O	O=C([O-])CCc1ccccc1O	mol10886	O=C(O)CCc1ccccc1O