pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.0699999332428	QSARToolbox	-1	-2	O=C(O)c1ccccc1NS(=O)(=O)[O-],O=C(O)c1ccccc1[N-]S(=O)(=O)O,O=C([O-])c1ccccc1NS(=O)(=O)O	O=C([O-])c1ccccc1NS(=O)(=O)[O-]	mol36730	O=C(O)c1ccccc1NS(=O)(=O)O