for e. cloacae , pre-incubation with ceftriaxone , cefoxitin , cefamandole , cefoperazone , or imipenem produced significantly larger amounts of beta-lactamase than did pre-incubation with moxalactam , clavulanate , ceftazidime , or aztreonam .
C0007541
cefamandole
C0007552
cefoperazone