activities of four new cephalosporins ( cephamandole , cefoxitin , cefuroxime , cefotaxime ) and of some of the most used aminoglycosidic antibiotics were tested against gram-negative bacteria ( pseudomonas and some enterobacteriaceae ) that are often formed to be multi-resistant .
C3536856
cephalosporins
C0007562
cefuroxime