title: Isomerisation of benzyl 6-phenoxyacetoxypenicillanates and their S-oxides.
mesh_terms: D010400:Penicillin G / Q000031:analogs & derivatives; D010406:Penicillins / Q000138:chemical synthesis*; D013454:Sulfoxides / Q000138:chemical synthesis
chemical_list: D010406:Penicillins; D013454:Sulfoxides; D010400:Penicillin G