other very active drugs were bmy 28142 , cefpirome , cefotaxime , ceftazidime , and ceftriaxone ( mic90 , 0.06 to 0.50 micrograms/ml ) , although at least one strain showed resistance to each of these antibiotics ( mic , greater than or equal to 16 micrograms/ml ) .
C0007554
cefotaxime
C0007561
ceftriaxone