pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.99	IUPAC digitized pKa	1	0	O=[N+]([O-])c1ccc(S[NH2+]c2ccccc2)cc1	O=[N+]([O-])c1ccc(SNc2ccccc2)cc1	mol6066	O=[N+]([O-])c1ccc(SNc2ccccc2)cc1