all four third-generation cephalosporins tested ( cefoperaxone , cefotaxime , ceftazidime and moxalactam ) were significantly more active against aerobic gram-negative bacteria than the older compounds ( cephalothin , cefamandole , cefoxitin , and cefuroxime ) .
C0007554
cefotaxime
C0007562
cefuroxime