pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.30000019073486	QSARToolbox	3	2	C1C[NH2+]CCC[NH2+]CCOCCOCC[NH2+]C1	C1CNCCC[NH2+]CCOCCOCC[NH2+]C1	mol38338	C1CNCCCNCCOCCOCCNC1