minimal inhibitory concentration ( mic ) of two new quinolones , a 56619 ( difloxacin ) and a 56620 were evaluated by agar dilution for 511 bacterial strains , in comparison with pefloxacin ( pef ) , ofloxacin ( ofl ) and ciprofloxacin ( cip ) .
C0034428
quinolones
C0028902
ofloxacin