Definition: A group of broad-spectrum antibiotics first isolated from the Mediterranean fungus ACREMONIUM. They contain the beta-lactam moiety thia-azabicyclo-octenecarboxylic acid also called 7-aminocephalosporanic acid.
Other names Antibiotics, Cephalosporin; Cephalosporin Antibiotics; Acids, Cephalosporanic; Cephalosporanic Acids
L 658758 [ 3-acetoxymethyl-7-methoxy-1-aza-5-thia-8-oxo-bicyclo(4.2.0)oct-2-ene-2-carboxypyrrolidine carboxamide,L 658,758,L-658,758,L-658758 ] structure & chemical name given in UD