Semisynthetic penicillins. 3. Heterocyclic penicillins.
D002625:Chemistry, Organic; D006571:Heterocyclic Compounds / Q000494:pharmacology; D055601:Organic Chemistry Phenomena; D010406:Penicillins / Q000494:pharmacology; D013210:Staphylococcus / Q000187:drug effects
D006571:Heterocyclic Compounds; D010406:Penicillins