Boromycin (Q4946240)

CC(C)[C@@H]([NH3+])C(=O)O[C@H](C)[C@@H]1C/C=C/CC[C@H](O)C(C)(C)[C@@H]2CC[C@@H](C)[C@]3(O2)O[B-]24OC(C(=O)O1)[C@@]1(O[C@@H](CC[C@H]1C)C(C)(C)[C@H](O)CCC[C@@H]1C[C@H](OC(=O)C3O2)[C@@H](C)O1)O4