pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.52	AttenGpKa training set	1	0	Cn1[nH+]cc2cc([N+](=O)[O-])ccc21	Cn1ncc2cc([N+](=O)[O-])ccc21	mol26460	Cn1ncc2cc([N+](=O)[O-])ccc21