title: Letter: Azetidinone antibiotics. XIV. Removal of a phthaloyl protective group from acid and base sensitive compounds.
mesh_terms: D000900:Anti-Bacterial Agents; D001384:Azetidines; D001385:Azetines; D006863:Hydrogen-Ion Concentration; D007536:Isomerism; D010797:Phthalimides; D013329:Structure-Activity Relationship
chemical_list: D000900:Anti-Bacterial Agents; D001384:Azetidines; D001385:Azetines; D010797:Phthalimides