Azithromycin EP Impurity F (3′-N-demethyl-3′-N-formylazithromycin, Azithromycin USP Related Compound F)
Azithromycin EP Impurity H (3′-N-[[4-(acetylamino)phenyl]sulfonyl]-3′-N-demethylazithromycin)
Azithromycin EP Impurity J ((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-Ethyl-3,4,10,13-tetrahydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-dimethylamino-Beta-D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one)