pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.3	IUPAC digitized pKa	1	0	CCCC[NH2+][C@@H](C)C#N	CCCCN[C@@H](C)C#N	mol5901	CCCCNC(C)C#N