relative rates , with cephaloridine as 100 , were cephalothin 200 , cefazolin 48 , cefuroxime 153 , cefotaxime 51 , ceftazidime 20 , ampicillin 26 , carbenicillin 19 , and aztreonam 20 .
C0007562
cefuroxime
C0007554
cefotaxime