pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-4.08	AttenGpKa training set	1	0	""	NC(=O)c1c([N+](=O)[O-])cc([N+](=O)[O-])cc1[N+](=O)[O-]	mol8653	NC(=O)c1c([N+](=O)[O-])cc([N+](=O)[O-])cc1[N+](=O)[O-]