pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.79	IUPAC digitized pKa	1	0	[NH3+]CCF	NCCF	mol176	NCCF
9.0	OCHEM	1	0	[NH3+]CCF	NCCF	mol176	NCCF
8.78999996185303	QSARToolbox	1	0	[NH3+]CCF	NCCF	mol176	NCCF