pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.68	IUPAC digitized pKa	0	-1	O=[S@](O)c1cccc(Cl)c1	O=[S@]([O-])c1cccc(Cl)c1	mol9872	O=S(O)c1cccc(Cl)c1