clindamycin ( mic90 , 32 micrograms/ml ) and the fluoroquinolones ( ciprofloxacin , 8 micrograms/ml ; a-56619 , 8 micrograms/ml ; a-56620 , 8 micrograms/ml ; norfloxacin , 32 micrograms/ml ) were only variably active .
C0949665
fluoroquinolones
C0008809
ciprofloxacin