the in vitro activity of moxalactam , a new semisynthetic 1-oxa-beta-lactam , was compared to those cefotaxime , cefuroxime , cephalothin , piperacillin and tobramycin against more than 500 clinical isolates of enterobacteriaceae and non-fermenters .
C0007554
cefotaxime
C0007562
cefuroxime