pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.5	OCHEM	-2	-3	O=S(=O)([O-])NS(=O)(=O)[O-],O=S(=O)([O-])[N-]S(=O)(=O)O	O=S(=O)([O-])[N-]S(=O)(=O)[O-]	mol28328	O=S(=O)(O)NS(=O)(=O)O