pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.06	AttenGpKa training set	0	-1	O=S(=O)(O)CCS(=O)(=O)O	O=S(=O)([O-])CCS(=O)(=O)O	mol28354	O=S(=O)(O)CCS(=O)(=O)O
-1.5	AttenGpKa training set	0	-1	O=S(=O)(O)CCS(=O)(=O)O	O=S(=O)([O-])CCS(=O)(=O)O	mol28354	O=S(=O)(O)CCS(=O)(=O)O