pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.513	IUPAC digitized pKa	0	-1	O=C(O)CS(=O)(=O)c1ccccc1	O=C([O-])CS(=O)(=O)c1ccccc1	mol10621	O=C(O)CS(=O)(=O)c1ccccc1
2.44	OCHEM	0	-1	O=C(O)CS(=O)(=O)c1ccccc1	O=C([O-])CS(=O)(=O)c1ccccc1	mol10621	O=C(O)CS(=O)(=O)c1ccccc1
2.4765	AttenGpKa training set	0	-1	O=C(O)CS(=O)(=O)c1ccccc1	O=C([O-])CS(=O)(=O)c1ccccc1	mol10621	O=C(O)CS(=O)(=O)c1ccccc1