pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.15	IUPAC digitized pKa	0	-1	O=[N+]([O-])c1ccc(O)cc1O	O=[N+]([O-])c1ccc(O)cc1[O-],O=[N+]([O-])c1ccc([O-])cc1O	mol9655	O=[N+]([O-])c1ccc(O)cc1O
9.37	IUPAC digitized pKa	-1	-2	O=[N+]([O-])c1ccc(O)cc1[O-],O=[N+]([O-])c1ccc([O-])cc1O	O=[N+]([O-])c1ccc([O-])cc1[O-]	mol9655	O=[N+]([O-])c1ccc(O)cc1O