3″-N-Desmethylerythromycin A ;
Erythromycin USP RC N ;
Clarithromycin EP Impurity R ;
(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(methylamino)-β-D-xylohexopyranosyl]oxy]oxacyclotetradecane-2,10-dione ;
CAS # 992-62-1 ;
C36H65NO13 ;
Mol. Wt.: 719.9 ;