O=C(O)CN(CC(=O)O)C1(C(=O)[O-])CCCCCC1    mol36123    -1_1
O=C([O-])C[NH+](CC(=O)[O-])C1(C(=O)O)CCCCCC1    mol36123    -1_2
O=C([O-])C[NH+](CC(=O)O)C1(C(=O)[O-])CCCCCC1    mol36123    -1_3
O=C([O-])CN(CC(=O)O)C1(C(=O)O)CCCCCC1    mol36123    -1_4
O=C([O-])CN(CC(=O)O)C1(C(=O)[O-])CCCCCC1    mol36123    -2_1
O=C([O-])C[NH+](CC(=O)[O-])C1(C(=O)[O-])CCCCCC1    mol36123    -2_2
O=C([O-])CN(CC(=O)[O-])C1(C(=O)O)CCCCCC1    mol36123    -2_3