title: [Studies on beta-lactam antibiotics for medicinal purpose. VIII. Synthesis of 7-[D(-)-alpha-(4-alkyl-2,3-dioxo-1-piperazinecarboxamido)phenylacetamido]-cephalosporanic acids and structure-antibacterial activity (author's transl)].
mesh_terms: D001419:Bacteria / Q000187:drug effects*; D002511:Cephalosporins / Q000138:chemical synthesis* / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D013329:Structure-Activity Relationship
chemical_list: D002511:Cephalosporins