the following antibiotics were evaluated : cephalexin ( cex ) , cephalothin ( cet ) , cefazolin ( cez ) , cefotiam ( ctm ) , cefoxitin ( cfx ) , cefmetazole ( cmz ) , cefotaxime ( ctx ) , cefoperazone ( cpz ) , ceftizoxime ( czx ) , cefmenoxime ( cmx ) and latamoxef ( lmox ) .
C0007554
cefotaxime
C0007560
ceftizoxime