although some mutants exhibited more resistance than the maximum attainable serum levels of the other 4-quinolones , the sensitivity of all the mutants fell well within the urine levels of pipemidic acid , flumequine , rosoxacin , oxolinic acid , enoxacin , norfloxacin , ofloxacin , and ciprofloxacin .
C0358919
4-quinolones
C0030031
oxolinic acid