pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.88	IUPAC digitized pKa	1	0	""	NC(=O)c1cccc([N+](=O)[O-])c1	mol5585	NC(=O)c1cccc([N+](=O)[O-])c1
-2.42	AttenGpKa training set	1	0	""	NC(=O)c1cccc([N+](=O)[O-])c1	mol5585	NC(=O)c1cccc([N+](=O)[O-])c1