90 % of gram positive cocci were susceptible to both roxithromycin and josamycin ( mic less than 1 mg/l , whereas 1 mg/l erythromycin and 2 mg/l spiramycin were able to inhibit respectively 46 and 86 % of the same tested strains .
C0035891
roxithromycin
C0014806
erythromycin