ligand NS(=O)(=O)c1nnc(NC(=O)CN(CCOCCOCC[NH+](CC([O-])=O)CC([O-])=O)CC([O-])=O)s1 C00049902 P82098200 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 C16321702 P24698801 CC(=O)N(CCCCCNC(=O)C[C@@](CC(=O)NCCCN(C(=O)C)O)(C(=O)[O-])O)O C31163090 P45889683 c1cc(ccc1[N+](=O)[O-])OC[C@@H](CO)SC[C@H](C(=O)NCC(=O)[O-])NC(=O)CC[C@@H](C(=O)[O-])[NH3+] C34933271 P51853821