a bactericidal effect was observed for 38.8 % of 72 tested strains ( erythromycin ) , 36.1 % ( josamycin ) , 34.7 % ( spiramycin ) , 31.9 % ( roxithromycin ) , 20.8 % ( troleandomycin ) .
C0014806
erythromycin
C0035891
roxithromycin