pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.454	IUPAC digitized pKa	0	-1	O=C(O)CS(=O)(=O)c1cccc(Cl)c1	O=C([O-])CS(=O)(=O)c1cccc(Cl)c1	mol10764	O=C(O)CS(=O)(=O)c1cccc(Cl)c1
4.30000019073486	QSARToolbox	0	-1	O=C(O)CS(=O)(=O)c1cccc(Cl)c1	O=C([O-])CS(=O)(=O)c1cccc(Cl)c1	mol10764	O=C(O)CS(=O)(=O)c1cccc(Cl)c1