title: A new olivanic acid derivative produced by Streptomyces olivaceus: isolation and structural studies.
mesh_terms: D000900:Anti-Bacterial Agents / Q000302:isolation & purification* / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry; D002854:Chromatography, Paper / Q000379:methods; D002855:Chromatography, Thin Layer / Q000379:methods; D007769:Lactams; D009682:Magnetic Resonance Spectroscopy; D013302:Streptomyces / Q000032:analysis*; D065093:beta-Lactamase Inhibitors; D047090:beta-Lactams
chemical_list: D000900:Anti-Bacterial Agents; D007769:Lactams; D065093:beta-Lactamase Inhibitors; D047090:beta-Lactams; C020786:olivanic acid