pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.3	AttenGpKa training set	1	0	C[n+]1nn(O)c2cccc([N+](=O)[O-])c21	C[n+]1nn([O-])c2cccc([N+](=O)[O-])c21	mol26495	C[n+]1nn(O)c2cccc([N+](=O)[O-])c21