title: Studies on pentenomycins. II. The structures of pentenomycin i and ii, new antibiotics.
mesh_terms: D000900:Anti-Bacterial Agents / Q000138:chemical synthesis; D003517:Cyclopentanes / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D000432:Methanol / Q000138:chemical synthesis; D013055:Spectrophotometry, Infrared
chemical_list: D000900:Anti-Bacterial Agents; D003517:Cyclopentanes; D000432:Methanol