pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.95	IUPAC digitized pKa	0	-1	O=S(=O)([O-])[C@@H](O)c1cc[nH+]cc1	O=S(=O)([O-])[C@@H](O)c1ccncc1	mol9908	O=S(=O)(O)C(O)c1ccncc1
10.05	IUPAC digitized pKa	-1	-2	O=S(=O)([O-])[C@@H](O)c1ccncc1	O=S(=O)(O)[C-]([O-])c1ccncc1,O=S(=O)([O-])[C-](O)c1ccncc1	mol9908	O=S(=O)(O)C(O)c1ccncc1