title: [New derivatives of 7-amino cephalosporanic acid. Substitution of the acetory group through the aromatic part].
mesh_terms: D002264:Carboxylic Acids; D002511:Cephalosporins / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D005463:Fluoroacetates; D007536:Isomerism; D008722:Methods; D010648:Phenylacetates
chemical_list: D002264:Carboxylic Acids; D002511:Cephalosporins; D005463:Fluoroacetates; D010648:Phenylacetates
vernacular_title: Neue Derivate der 7-Amino-cephalosporansäure. Uber die Substitution der Acetoxygruppe durch aromatische Reste