compared with other antimicrobial agents , norfloxacin is more potent than the aminoglycosides , first- , second- , and third-generation cephalosporins , tetracycline , trimethoprim-sulfamethoxazole , carbenicillin , piperacillin , nalidixic acid , oxolinic acid , cinoxacin , and enoxacin .
C1136254
antimicrobial agents
C0028365
norfloxacin