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[(2S,3R,4S,6R)-4-(Dimethylamino)-2-[[(1R,2R,5R,6S,7S,8R,9R,11R,14R,15R)-2-ethyl-6,9-dihydroxy-1,5,7,9,11,13,14-heptamethyl-4,17-dioxo-3,16,18-trioxa-13-azabicyclo[13.3.0]octadecan-8-yl]oxy]-6-methyloxan-3-yl] acetate


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