pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.99	IUPAC digitized pKa	1	0	CC(=O)Nc1ccc[n+](O)c1	CC(=O)Nc1ccc[n+]([O-])c1	mol3819	CC(=O)Nc1ccc[n+]([O-])c1