口服第三代头孢菌素抗生素头孢泊肟酯的代谢产物,Cefpodoxime, as known as R 3763, is a metabolite of cefpodoxime proxetil. It is demonstrated that cefpodoxime, as an oral third generation cephalosporin antibiotic, is active against most Gram-positive and Gram-negative bacteria.