ClarithromycinImpurityEPC;6-O-MeEryA9(E)-oxime;ClarithromycinEPImpurityC/(3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-12,13-dihydroxy-4-(((2R,R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy);ClarithromycinEPImpurityC;ClarithromycinE-9-Oxime(EPC);ClarithromycinImpurity3(ClarithromycinEPImpurityC);CLARITHROMYCINOXIME;9(E)-6-O-Methyl-erythromycinoxime