pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.19999980926514	QSARToolbox	-1	-2	O=[N+]([O-])c1ccc(O)c2c(S(=O)(=O)[O-])cccc12	O=[N+]([O-])c1ccc([O-])c2c(S(=O)(=O)[O-])cccc12	mol37535	O=[N+]([O-])c1ccc(O)c2c(S(=O)(=O)O)cccc12