title: [Studies on antibiotics of semisynthetic cephalosporins. II. Synthesis of 7-(7- or 8-substituted coumarin-3-formamido)-cephalosporins].
mesh_terms: D002511:Cephalosporins / Q000138:chemical synthesis* / Q000494:pharmacology; D003374:Coumarins / Q000138:chemical synthesis*; D005559:Formamides / Q000138:chemical synthesis; D008826:Microbial Sensitivity Tests; D013211:Staphylococcus aureus / Q000187:drug effects
chemical_list: D002511:Cephalosporins; D003374:Coumarins; D005559:Formamides