four peptides ( enduracidin , viomycin , bicyclomycin , and colistin ) , three aminoglycosides ( kanamycin , streptomycin , and neomycin ) , polyene , and other agents , including novobiocin , vancomycin , rifampin , nalidixic acid , and p-arsanilic acid , displayed limited activities ranging from 12.5 to > /=100 mug/ml .
C0002556
aminoglycosides
C0038425
streptomycin