pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.48	IUPAC digitized pKa	1	0	CC(=O)[NH+]=C1NCCN1	CC(=O)N=C1NCCN1	mol6704	CC(=O)N=C1NCCN1