title: The chemistry of synthetic and semisynthetic penicillins.
mesh_terms: D000215:Acylation; D000667:Ampicillin / Q000627:therapeutic use; D002511:Cephalosporins / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D004355:Drug Stability; D006801:Humans; D008712:Methicillin / Q000627:therapeutic use; D010068:Oxacillin / Q000627:therapeutic use; D010400:Penicillin G / Q000627:therapeutic use; D010403:Penicillin Resistance; D010405:Penicillinase; D010406:Penicillins / Q000138:chemical synthesis / Q000378:metabolism / Q000627:therapeutic use / Q000633:toxicity; D010407:Penicillium / Q000378:metabolism; D013210:Staphylococcus
chemical_list: D002511:Cephalosporins; D010406:Penicillins; D000667:Ampicillin; D010405:Penicillinase; D010400:Penicillin G; D008712:Methicillin; D010068:Oxacillin