pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.61	IUPAC digitized pKa	0	-1	N[NH2+]c1ccc(S(=O)(=O)[O-])cc1,NNc1ccc(S(=O)(=O)O)cc1,[NH3+]Nc1ccc(S(=O)(=O)[O-])cc1	NNc1ccc(S(=O)(=O)[O-])cc1	mol8884	NNc1ccc(S(=O)(=O)O)cc1
2.60999989509583	QSARToolbox	0	-1	N[NH2+]c1ccc(S(=O)(=O)[O-])cc1,NNc1ccc(S(=O)(=O)O)cc1,[NH3+]Nc1ccc(S(=O)(=O)[O-])cc1	NNc1ccc(S(=O)(=O)[O-])cc1	mol8884	NNc1ccc(S(=O)(=O)O)cc1