pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.35	AttenGpKa training set	1	0	C[n+]1nn(O)c2cc([N+](=O)[O-])ccc21	C[n+]1nn([O-])c2cc([N+](=O)[O-])ccc21	mol26496	C[n+]1nn(O)c2cc([N+](=O)[O-])ccc21