clavulanic acid reduced the mics of amoxicillin , carbencillin , cefamandole , cefotaxime , ceftazidime , ceftizoxime , cephalothin , and penicillin g , but not of cefoxitin or moxalactam , against 77 isolates of the bacteroides fragilis group , all rapidly beta-lactamase positive by the nitrocefin slide test .
C0007554
cefotaxime
C0007560
ceftizoxime