pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.80999994277954	QSARToolbox	0	-1	O=C([O-])CC[NH+](CCC[NH+](CCC(=O)[O-])[N+](=O)[O-])[N+](=O)[O-]	O=C([O-])CCN(CCC[NH+](CCC(=O)[O-])[N+](=O)[O-])[N+](=O)[O-]	mol36114	O=C(O)CCN(CCCN(CCC(=O)O)[N+](=O)[O-])[N+](=O)[O-]