title: Functional modifications and nuclear analogues of beta-lactam antibiotics--part II.
mesh_terms: D000900:Anti-Bacterial Agents / Q000096:biosynthesis / Q000138:chemical synthesis* / Q000494:pharmacology; D002511:Cephalosporins / Q000138:chemical synthesis; D002626:Chemistry, Pharmaceutical; D010406:Penicillins / Q000138:chemical synthesis; D013329:Structure-Activity Relationship; D047090:beta-Lactams / Q000096:biosynthesis / Q000138:chemical synthesis* / Q000494:pharmacology
chemical_list: D000900:Anti-Bacterial Agents; D002511:Cephalosporins; D010406:Penicillins; D047090:beta-Lactams