pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.85	IUPAC digitized pKa	0	-1	CS(=O)(=O)c1ccc(OCC(=O)O)cc1	CS(=O)(=O)c1ccc(OCC(=O)[O-])cc1	mol11037	CS(=O)(=O)c1ccc(OCC(=O)O)cc1