pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.67	Datawarrior	2	1	C[NH+]1CCC[NH+]1C	CN1CCC[NH+]1C	mol16019	CN1CCCN1C
6.6700001	OCHEM	2	1	C[NH+]1CCC[NH+]1C	CN1CCC[NH+]1C	mol16019	CN1CCCN1C
6.67000007629395	QSARToolbox	2	1	C[NH+]1CCC[NH+]1C	CN1CCC[NH+]1C	mol16019	CN1CCCN1C