pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.02	IUPAC digitized pKa	1	0	C[C@@H]1C[NH+](C)NC1=O	C[C@@H]1CN(C)NC1=O	mol6922	CC1CN(C)NC1=O