the aminoglycosides ( gentamicin , netilmicin ) , oxacillin and ly146032 , a new lipopeptidic antibiotic , had a penetration which was generally less than 60 % , whereas new fluoro-quinolones ( enoxacin , ciprofloxacin , ci934 , ro236240 ) and rifamycins ( rifampicin , lm427 ) were concentrated 2.4 to 14.2-fold .
C0002556
aminoglycosides
C0017436
gentamicin