the in vitro activity of roxithromycin ( ru 28965 ) , a new semisynthetic macrolide , was compared with that of amoxycillin , cephradine , doxycycline and erythromycin against 160 respiratory and skin isolates including 10 methicillin-resistant staph . aureus , 10 beta-lactamase-producing haemophilus influenzae and 30 anaerobes .
C0035891
roxithromycin
C0014806
erythromycin