ciprofloxacin was found active in 96.1 % of all of the gram-positive and gram-negative strains tested , amikacin in 90.6 % , ceftazidime in 89.8 % , ceftriaxone in 85.3 % , piperacillin in 82.7 % , tobramycin in 82.6 % , gentamicin in 81.5 % , aztreonam in 78.3 % , nitrofurantoin in 72.6 % , cotrimoxazole in 71.6 % , cinoxacin in 71.0 % , pipemidic acid in 70.6 % , nalidixic acid in 66.7 % , ampicillin in 50.1 % .
C0031955
piperacillin
C0002680
ampicillin