pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.5	OCHEM	-3	-4	O=C([O-])C=CC([O-])=CC(=O)[CH-]C(=O)O,O=C([O-])C=CC([O-])=CC(=O)CC(=O)[O-]	O=C([O-])C=CC([O-])=CC(=O)[CH-]C(=O)[O-]	mol32454	O=C(O)C=CC(O)=CC(=O)CC(=O)O