the in vitro activities of the 14-membered macrolides ( 14m ) clarithromycin ( cl ) , roxithromycin ( ro ) , dirithromycin ( di ) and flurithromycin ( fl ) , a 15-membered macrolide ( 15m ) azithromycin ( az ) , and the 16-membered macrolides ( 16m ) josamycin ( jm ) , spiramycin ( sp ) , miocamycin ( mi ) and rokitamycin ( rk ) were compared with erythromycin ( er ) .
C0035891
roxithromycin
C0014806
erythromycin