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
ceftibuten [ 7-(2-(2-amino-4-thiazolyl)-4-carboxy-2-butenoylamino)-3-cephem-4-carboxylic acid,7432 S,7432-S,Cedax,Cedex,SCH 39720,SCH-39720,SCH39720 ] synthetic antibiotic; structure given in first source