title: Derivatives of 6-aminopenicillanic acid. X. A non-enzymic conversion of benzylpenicillin into semi-synthetic penicillins.
mesh_terms: D000447:Aldehydes; D000812:Anhydrides; D055598:Chemical Phenomena; D002621:Chemistry; D005662:Furaldehyde; D010091:Oximes; D010400:Penicillin G; D010406:Penicillins
chemical_list: D000447:Aldehydes; D000812:Anhydrides; D010091:Oximes; D010406:Penicillins; D005662:Furaldehyde; D010400:Penicillin G