title: Naphthomycin, a novel ansa macrocyclic antimetabolite. Proton NMR spectra and structure elucidation using lanthanide shift reagent.
mesh_terms: D000900:Anti-Bacterial Agents / Q000302:isolation & purification / Q000494:pharmacology; D001412:Bacillus subtilis / Q000187:drug effects; D055598:Chemical Phenomena; D002621:Chemistry; D009682:Magnetic Resonance Spectroscopy; D009284:Naphthols / Q000302:isolation & purification / Q000494:pharmacology; D011090:Polyenes; D013302:Streptomyces / Q000032:analysis
chemical_list: D000900:Anti-Bacterial Agents; D009284:Naphthols; D011090:Polyenes