against more than 90 % of 200 bacterial strains tested in vitro , the inhibitory concentration of gentamicin and tobramycin was 3.1 mug/ml and that of bb-k 8 , a new semisynthetic aminoglycoside derivative of kanamycin , was 6.3 mug/ml .
C0002556
aminoglycoside
C0022487
kanamycin