pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.48000001907349	QSARToolbox	1	0	C[S@@+]([O-])c1cncc[nH+]1,C[S@@+]([O-])c1c[nH+]ccn1	C[S@@+]([O-])c1cnccn1	mol6780	C[S+]([O-])c1cnccn1