pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.21000003814697	QSARToolbox	1	0	O=C([O-])C([NH2+]CC[NH2+]C(C(=O)O)C(=O)O)C(=O)O	O=C([O-])C([NH2+]CC[NH2+]C(C(=O)[O-])C(=O)O)C(=O)O,O=C([O-])C([NH2+]CC[NH2+]C(C(=O)O)C(=O)O)C(=O)[O-],O=C(O)C(NCC[NH2+]C(C(=O)[O-])C(=O)O)C(=O)O,O=C([O-])C(NCC[NH2+]C(C(=O)O)C(=O)O)C(=O)O	mol34355	O=C(O)C(NCCNC(C(=O)O)C(=O)O)C(=O)O