pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.09	IUPAC digitized pKa	1	0	CC(=O)Nc1cccc[nH+]1	CC(=O)Nc1ccccn1	mol1258	CC(=O)Nc1ccccn1
4.0900002	OCHEM	1	0	CC(=O)Nc1cccc[nH+]1	CC(=O)Nc1ccccn1	mol1258	CC(=O)Nc1ccccn1