title: A semi-synthetic penicillinase inactivator.
mesh_terms: D001665:Binding Sites; D004305:Dose-Response Relationship, Drug; D010397:Penicillanic Acid / Q000494:pharmacology*; D013211:Staphylococcus aureus / Q000201:enzymology; D013329:Structure-Activity Relationship; D013450:Sulfones; D065093:beta-Lactamase Inhibitors; D047090:beta-Lactams / Q000494:pharmacology*
chemical_list: D013450:Sulfones; D065093:beta-Lactamase Inhibitors; D047090:beta-Lactams; D010397:Penicillanic Acid