pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.88	IUPAC digitized pKa	0	-1	O=C1CS(=O)(=O)c2ccccc21	O=C1[CH-]S(=O)(=O)c2ccccc21	mol10504	O=C1CS(=O)(=O)c2ccccc21
7.65	AttenGpKa training set	0	-1	O=C1CS(=O)(=O)c2ccccc21	O=C1[CH-]S(=O)(=O)c2ccccc21	mol10504	O=C1CS(=O)(=O)c2ccccc21