pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.16	IUPAC digitized pKa	1	0	C[S@+]([O-])c1cccc[nH+]1	C[S@+]([O-])c1ccccn1	mol6526	C[S+]([O-])c1ccccn1
-0.159999996423721	QSARToolbox	1	0	C[S@+]([O-])c1cccc[nH+]1	C[S@+]([O-])c1ccccn1	mol6526	C[S+]([O-])c1ccccn1