pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.48	OCHEM	-1	-2	O=S(=O)([O-])c1cccc2cc(O)ccc12	O=S(=O)([O-])c1cccc2cc([O-])ccc12	mol33090	O=S(=O)(O)c1cccc2cc(O)ccc12
9.1899995803833	QSARToolbox	-1	-2	O=S(=O)([O-])c1cccc2cc(O)ccc12	O=S(=O)([O-])c1cccc2cc([O-])ccc12	mol33090	O=S(=O)(O)c1cccc2cc(O)ccc12