pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.64	AttenGpKa training set	1	0	O=[N+]([O-])c1cc(I)[n+](O)cc1I	O=[N+]([O-])c1cc(I)[n+]([O-])cc1I	mol25205	O=[N+]([O-])c1cc(I)[n+](O)cc1I