pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.7	Datawarrior	1	0	O=[N+]([O-])c1cc[n+](O)cc1	O=[N+]([O-])c1cc[n+]([O-])cc1	mol13010	O=[N+]([O-])c1cc[n+](O)cc1
-1.496666667	AttenGpKa training set	1	0	O=[N+]([O-])c1cc[n+](O)cc1	O=[N+]([O-])c1cc[n+]([O-])cc1	mol13010	O=[N+]([O-])c1cc[n+](O)cc1