although newer cephalosporins from cefamandol and cefoxitin to cefotiam and cefoperazon already showed increased effectiveness ( for example , cefoxitin in bacteroides infection ) in comparison to older ones , the real breakthrough regarding enterobacteriaceae was only made with cephalosporins of the cefotaxime group .
C0007556
cefotiam
C0007554
cefotaxime