Duramycin (~90%)

27,46-(Methaniminopentaniminomethano)-6,43:15,40-bis(methanothiomethano)pyrrolo[2,1-d1][1,4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52]thiaheptadecaazacyclopentapentacontine, cyclic peptide deriv.; Antibiotic PA 48009; Lancovutide; Leucopeptin; Moli 1901;

CC(C)[C@@H]1NC(=O)[C@H](Cc2ccccc2)NC(=O)[C@@H]3NC(=O)[C@H](Cc4ccccc4)NC(=O)[C@@H]5CCCN5C(=O)CNC(=O)[C@H](Cc6ccccc6)NC(=O)[C@@H]7CNCCCC[C@H](NC(=O)[C@@H]8NC(=O)[C@H](CC(=O)N)NC(=O)CNC(=O)[C@@H](NC(=O)[C@H](CSC[C@@H](NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCCCN)NC(=O)[C@@H](N)CS[C@H]8C)C(=O)N[C@@H](CS[C@H]3C)C(=O)N7)NC1=O)[C@@H](O)C(=O)O)C(=O)O