pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
13.02	IUPAC digitized pKa	-1	-2	O=S(=O)([O-])c1cccc2cccc(O)c12	O=S(=O)([O-])c1cccc2cccc([O-])c12	mol11306	O=S(=O)(O)c1cccc2cccc(O)c12