pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.53	AttenGpKa training set	1	0	[NH3+]c1c(O)cccc1[N+](=O)[O-]	Nc1c(O)cccc1[N+](=O)[O-]	mol23755	Nc1c(O)cccc1[N+](=O)[O-]