pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.86999988555908	QSARToolbox	0	-1	O=C([O-])CC[NH2+]CC[NH2+]CCC(=O)[O-]	O=C([O-])CCNCC[NH2+]CCC(=O)[O-]	mol33161	O=C(O)CCNCCNCCC(=O)O
9.9	OCHEM	-1	-2	O=C([O-])CCNCC[NH2+]CCC(=O)[O-]	O=C([O-])CCNCCNCCC(=O)[O-]	mol33161	O=C(O)CCNCCNCCC(=O)O
9.60000038146973	QSARToolbox	-1	-2	O=C([O-])CCNCC[NH2+]CCC(=O)[O-]	O=C([O-])CCNCCNCCC(=O)[O-]	mol33161	O=C(O)CCNCCNCCC(=O)O
