amdinocillin alone or in combination with ampicillin , ticarcillin , piperacillin , cefazolin , cefoxitin , and cefamandole had little to no activity against aminoglycoside-resistant e. coli , e. cloacae , k. pneumoniae , and s. marcescens .
C0002680
ampicillin
C0031955
piperacillin