pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.5	IUPAC digitized pKa	-1	-2	NS(=O)(=O)c1ccc(N=Nc2ccc([O-])c3ncccc23)cc1,[NH-]S(=O)(=O)c1ccc(N=Nc2ccc(O)c3ncccc23)cc1	[NH-]S(=O)(=O)c1ccc(N=Nc2ccc([O-])c3ncccc23)cc1	mol12053	NS(=O)(=O)c1ccc(N=Nc2ccc(O)c3ncccc23)cc1