the in vitro activity of s-25930 and s-25932 , two new 4-quinolones , against 450 aerobic gram-negative organisms isolated from cancer patients was evaluated and compared with the activity of ciprofloxacin , enoxacin , difloxacin ( a-56619 ) , and a-56620 .
C0034428
quinolones
C0008809
ciprofloxacin