pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.0	IUPAC digitized pKa	-1	-2	O=S(=O)([O-])c1cc(O)c2[nH]ncc2c1	O=S(=O)([O-])c1cc(O)c2[n-]ncc2c1,O=S(=O)([O-])c1cc([O-])c2[nH]ncc2c1	mol10316	O=S(=O)(O)c1cc(O)c2[nH]ncc2c1