the in vitro activity of tetracycline , ciprofloxacin and two recently developed 1-aryl-fluoroquinolones , a56610 and a56620 , was tested against 65 beta-lactamase-negative and 35 beta-lactamase-positive neisseria gonorrhoeae strains , 12 chlamydia trachomatis , 50 mycoplasma hominis , 28 ureaplasma urealyticum and 50 gardnerella vaginalis strains .
C0008809
ciprofloxacin
C0949665
fluoroquinolones