the in vitro activity of gr 20263 , a new cephalosporin , was compared primarily with the activities of moxalactam ( ly 127935 ) , cefotaxime , cefoxitin , cefuroxime , and cefazolin against 293 clinical isolates of a variety of gram-positive and -negative bacteria .
C3536856
cephalosporin
C0007557
cefoxitin