the penem and carbapenem antibiotics , sch 34343 and imipenem , were more active than cefotaxime , ceftazidime , ceftriaxone , latamoxef and aztreonam against isolates of acinetobacter , citrobacter , ent . aerogenes , ent . cloacae and morganella , whereas imipenem , ceftazidime , and aztreonam were more active against serratia isolates .
C0007554
cefotaxime
C0007561
ceftriaxone