the procedure involves a unique sample preparation before analysis for all the following fifteen compounds : benzylpenicillin , ampicillin , cloxacillin , ticarcillin , mezlocillin , azlocillin , piperacillin , cefotaxime and its desacetyl metabolite , cefsulodin , cefoperazone , cefmenoxime , ceftazidime , ceftriaxone and the monobactam aztreonam ;
C0002680
ampicillin
C0025893
mezlocillin