title: [Synthetic studies on 2-N-substituted cephems. III. Reaction of 2-azido-3-cephems and 2-azido-2-cephems].
mesh_terms: D001419:Bacteria / Q000187:drug effects; D002511:Cephalosporins / Q000138:chemical synthesis / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry; D004352:Drug Resistance, Microbial; D006358:Hot Temperature; D013329:Structure-Activity Relationship
chemical_list: D002511:Cephalosporins