pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.05	IUPAC digitized pKa	0	-1	O=S(=O)(O)[C@H](O)c1ccccn1,O=S(=O)([O-])[C@H](O)c1cccc[nH+]1	O=S(=O)([O-])[C@H](O)c1ccccn1	mol9906	O=S(=O)(O)C(O)c1ccccn1
9.7	IUPAC digitized pKa	-1	-2	O=S(=O)([O-])[C@H](O)c1ccccn1	O=S(=O)([O-])[C-](O)c1ccccn1,O=S(=O)([O-])[C@H]([O-])c1ccccn1,O=S(=O)(O)[C-]([O-])c1ccccn1	mol9906	O=S(=O)(O)C(O)c1ccccn1