netilmycin acted on 75.4 % of the strains , and penicillins ( carbenicillin , ticarcillin and azlocillin ) similarly as gentamicin , tobramycin , cefotaxim , cefoperazon and ceftriaxon were active only against 51.3-66.7 % of the tested strains .
C0007554
cefotaxim
C0007561
ceftriaxon