pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-2.46	AttenGpKa training set	1	0	[NH3+]c1cccc([N+](=O)[O-])c1[N+](=O)[O-]	Nc1cccc([N+](=O)[O-])c1[N+](=O)[O-]	mol23834	Nc1cccc([N+](=O)[O-])c1[N+](=O)[O-]