O=C([O-])CN1CCCN(CC(=O)O)CCOCCOCC1    mol38317    -1_1
O=C([O-])CN1CCC[NH+](CC(=O)[O-])CCOCCOCC1    mol38317    -1_2
O=C([O-])CN1CCCN(CC(=O)[O-])CCOCCOCC1    mol38317    -2_1