pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.33	IUPAC digitized pKa	1	0	[NH3+]Nc1ccccc1S(=O)(=O)O,N[NH2+]c1ccccc1S(=O)(=O)O	NNc1ccccc1S(=O)(=O)O	mol8882	NNc1ccccc1S(=O)(=O)O
2.32999992370605	QSARToolbox	1	0	[NH3+]Nc1ccccc1S(=O)(=O)O,N[NH2+]c1ccccc1S(=O)(=O)O	NNc1ccccc1S(=O)(=O)O	mol8882	NNc1ccccc1S(=O)(=O)O