title: Retrogramicidin S.
mesh_terms: D000900:Anti-Bacterial Agents / Q000138:chemical synthesis / Q000494:pharmacology; D001412:Bacillus subtilis / Q000187:drug effects; D008956:Models, Chemical; D013210:Staphylococcus / Q000187:drug effects; D014449:Tyrothricin
chemical_list: D000900:Anti-Bacterial Agents; D014449:Tyrothricin