the in vitro activities of three new beta-lactam antimicrobial agents , cefodizime , ceftazidime , and aztreonam ( formerly azthreonam ) , were compared with those of cefotaxime , cefuroxime , cefoxitin , and penicillin against 100 beta-lactamase-negative and 42 beta-lactamase-positive neisseria gonorrhoeae strains .
C0007554
cefotaxime
C0007562
cefuroxime