O=C([O-])CC[NH2+]CCNCCC(=O)O    mol33161    0_1
O=C([O-])CCNCC[NH2+]CCC(=O)O    mol33161    0_2
O=C(O)CCNCCNCCC(=O)O    mol33161    0_3
O=C([O-])CC[NH2+]CC[NH2+]CCC(=O)[O-]    mol33161    0_4
O=C([O-])CCNCCNCCC(=O)O    mol33161    -1_1
O=C([O-])CCNCC[NH2+]CCC(=O)[O-]    mol33161    -1_2
O=C([O-])CCNCCNCCC(=O)[O-]    mol33161    -2_1