in-vitro activity of ceftazidime was compared with five other recently developed cephalosporins : cefsulodin ( ciba-geigy ) , cefoperazone ( pfizer ) , cefatriaxon ( roche ) , moxalactam ( chemically a 1-oxa beta-lactam ) ( lilly ) , cefotaxime ( roussel ) and also with carbenicillin .
C3536856
cephalosporins
C0007552
cefoperazone