the enzyme activity was inhibited by cloxacillin , ampicillin , carbenicillin , cefuroxime , cefotaxime , ceftizoxime ( fk749 ) , cefmenoxime ( sce-1365 ) , cefoxitin , cefmetazole , ym09330 and moxalactam ( 6059-s ) , but not by clavulanic acid or cp-45899 .
C0007554
cefotaxime
C0007560
ceftizoxime