pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.91	IUPAC digitized pKa	1	0	N#CCC[NH2+]N,N#CCCN[NH3+]	N#CCCNN	mol8834	N#CCCNN
5.9099998	OCHEM	1	0	N#CCC[NH2+]N,N#CCCN[NH3+]	N#CCCNN	mol8834	N#CCCNN
5.90999984741211	QSARToolbox	1	0	N#CCC[NH2+]N,N#CCCN[NH3+]	N#CCCNN	mol8834	N#CCCNN