pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.48000001907349	QSARToolbox	4	3	""	""	mol35204	CCCCCCCCCCCCCCCCCCN(CCCCCCCCCCCCCCCCCC)C(=O)CNC(=O)C(CCCNCCCN)NCCCN