title: Structure-activity relationships of some 6 alpha-formamido penicillins.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004926:Escherichia coli / Q000187:drug effects; D010406:Penicillins / Q000138:chemical synthesis / Q000494:pharmacology*; D011550:Pseudomonas aeruginosa / Q000187:drug effects; D013211:Staphylococcus aureus / Q000187:drug effects; D013329:Structure-Activity Relationship
chemical_list: D010406:Penicillins