pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.91	IUPAC digitized pKa	1	0	CN(C)C=[NH+]c1ccccc1C#N	CN(C)C=Nc1ccccc1C#N	mol6146	CN(C)C=Nc1ccccc1C#N