title: Metabolic products of microorganisms. 222. beta-Oxotryptamine derivatives isolated from Streptomyces ramulosus.
mesh_terms: D000900:Anti-Bacterial Agents / Q000302:isolation & purification*; D055598:Chemical Phenomena; D002621:Chemistry; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D013053:Spectrophotometry; D013302:Streptomyces / Q000032:analysis*; D014363:Tryptamines / Q000302:isolation & purification*
chemical_list: D000900:Anti-Bacterial Agents; D014363:Tryptamines