title: [Studies on beta-lactam antibiotics for medicinal purpose. III. Structure-activity relationship of 6-[D(-)-alpha-(4-alkyl-2,3-dioxo-1-piperazinecarbox-amido)phenylacetamido]penicillanic acids (author's transl)].
mesh_terms: D000818:Animals; D001419:Bacteria / Q000187:drug effects; D008297:Male; D051379:Mice; D010397:Penicillanic Acid / Q000494:pharmacology*; D013329:Structure-Activity Relationship
chemical_list: D010397:Penicillanic Acid