pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.7	OCHEM	0	-1	O=S(=O)(O)OO	O=S(=O)([O-])OO	mol31348	O=S(=O)(O)OO
9.4	AttenGpKa training set	-1	-2	O=S(=O)([O-])OO	O=S(=O)([O-])O[O-]	mol31348	O=S(=O)(O)OO