pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.46	IUPAC digitized pKa	1	0	C#CCN[NH3+],C#CC[NH2+]N	C#CCNN	mol8881	C#CCNN
5.46000003814697	QSARToolbox	1	0	C#CCN[NH3+],C#CC[NH2+]N	C#CCNN	mol8881	C#CCNN