0  B31R1.1550745730  O=C([O-])CN1CCN(CC(=O)[O-])CCN(C(CO)C(O)CO)CCN(CC(=O)O)CC1 AC-31774 [0,0,0,0,0,0|0,0,2]=2
1  B31R1.1550745730  O=C([O-])CN1CCN(CC(=O)[O-])CCN([C@H](CO)C(O)CO)CCN(CC(=O)[O-])CC1 AC-31770 [0,0,0,0,0,0|0,0,3]=3
2  B31R1.1550745730  O=C([O-])CN1CCN(CC(=O)[O-])CCN([C@H](CO)[C@H](O)CO)CCN(CC(=O)[O-])CC1 AC-30724 [0,0,0,0,0,0|0,0,3]=3