pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.81	AttenGpKa training set	0	-1	O=[N+]([O-])c1cc[nH]n1	O=[N+]([O-])c1cc[n-]n1	mol25270	O=[N+]([O-])c1cc[nH]n1
-4.66	AttenGpKa training set	1	0	O=[N+]([O-])c1cc[nH][nH+]1	O=[N+]([O-])c1cc[nH]n1	mol25270	O=[N+]([O-])c1cc[nH]n1