ligand NS(=O)(=O)c1nnc(NC(=O)C[NH+](CCOCCOCC[NH+](CC([O-])=O)CC([O-])=O)CC([O-])=O)s1 C00049902 P92098200 CC(=O)N[C@@H](CO)C(=O)N[C@@H](CC(=O)[O-])C(=O)N[C@@H](CCCC[NH3+])C(=O)N1CCC[C@@H]1C(=O)[O-] C04533968 P06170806 CC(=O)OC[C@@H](Cn1c(=O)n(c(=O)n(c1=O)C[C@@H](COC(=O)C)O)C[C@@H](COC(=O)C)O)O C16321704 P52214206 C[C@H](C(=O)N[C@@H](CCC(=O)[O-])C(=O)N)NC(=O)[C@@H](C)O[C@@H]([C@@H](C=O)NC(=O)C)[C@@H]([C@@H](CO)O)O C04533866 P06170670