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Dirithromycin
C42H78N2O14 835.07
Erythromycin, 9-deoxo-11-deoxy-9,11-[imino[2-(2-methoxy ethoxy)ethylidene]oxy]-, 9S(R)-.
(9S)-9-Deoxo-11-deoxy-9,11-[imino[(1R)-2-(2-methoxy ethoxy)ethylidene]oxy]erythromycin [62013-04-1]

» Dirithromycin contains not less than 96.0 percent and not more than 102.0 percent of C42H78N2O14, consisting of the 16R- and 16S-epimers, calculated on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Dirithromycin RS
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