title: 6-(E)-acetylmethylenepenicillanic acid, a potent beta-lactamase inhibitor.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D001419:Bacteria / Q000187:drug effects*; D004357:Drug Synergism; D007202:Indicators and Reagents; D008826:Microbial Sensitivity Tests; D010397:Penicillanic Acid / Q000138:chemical synthesis / Q000494:pharmacology* / Q000031:analogs & derivatives; D065093:beta-Lactamase Inhibitors
chemical_list: D007202:Indicators and Reagents; D065093:beta-Lactamase Inhibitors; D000667:Ampicillin; C036977:6-acetylmethylenepenicillanic acid; D010397:Penicillanic Acid