pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.94	IUPAC digitized pKa	1	0	C[S@+]([O-])c1cc[nH+]cc1	C[S@+]([O-])c1ccncc1	mol6527	C[S+]([O-])c1ccncc1
2.94000005722046	QSARToolbox	1	0	C[S@+]([O-])c1cc[nH+]cc1	C[S@+]([O-])c1ccncc1	mol6527	C[S+]([O-])c1ccncc1