cross antigenicity of t-2525 was observed to be relatively strong against cefotaxime and ceftizoxime , and very weak against cephalothin ( cet ) , cefazolin , cefoperazone ( cpz ) , cefmenoxime , cefotiam and benzylpenicillin ( pcg ) .
C0007554
cefotaxime
C0007549
cefmenoxime