title: The synthesis and antibacterial activity of some beta-lactamase stable 6 alpha-(hydroxymethyl)penicillins.
mesh_terms: D001419:Bacteria / Q000187:drug effects*; D004355:Drug Stability; D008968:Molecular Conformation; D010406:Penicillins / Q000138:chemical synthesis* / Q000494:pharmacology; D001618:beta-Lactamases / Q000494:pharmacology*
chemical_list: D010406:Penicillins; D001618:beta-Lactamases