title: [Studies on beta-lactam antibiotics for medicinal purpose. I. Synthesis of D(-)-alpha-[(monooxo)-1-piperazinecarboxamido]benzylpenicillins and structure--antibacterial activity (author's transl)].
mesh_terms: D001419:Bacteria / Q000187:drug effects; D055598:Chemical Phenomena; D002621:Chemistry; D010400:Penicillin G / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000494:pharmacology; D010403:Penicillin Resistance; D013329:Structure-Activity Relationship
chemical_list: D010400:Penicillin G