the 11 beta-lactams included second generation cephems ( cefsulodin , cefotiam and cefmetazole ) , third generation cephems ( ceftazidime , latamoxef , cefmenoxime , cefoperazone , cefotetan and cefpiramide ) and monobactams ( carumonam and aztreonam ) .
C0282215
beta-lactams
C0026458
monobactams