title: A 7-[2-(2-aminoimidazol-4-yl)-acetamido]cephalosporanic acid.
mesh_terms: D001419:Bacteria / Q000187:drug effects*; D002511:Cephalosporins / Q000138:chemical synthesis* / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry
chemical_list: D002511:Cephalosporins