pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.5	OCHEM	-1	-2	O=C([O-])c1cc2ccc(O)cc2oc1=O	O=C([O-])c1cc2ccc([O-])cc2oc1=O	mol20712	O=C(O)c1cc2ccc(O)cc2oc1=O
7.03999996185303	QSARToolbox	-1	-2	O=C([O-])c1cc2ccc(O)cc2oc1=O	O=C([O-])c1cc2ccc([O-])cc2oc1=O	mol20712	O=C(O)c1cc2ccc(O)cc2oc1=O