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[(2S,3R,4S,6R)-4-(Dimethylamino)-2-[[(3S,4R,8R,9R,12R,14S,15R,16R,19R)-9-ethyl-3,8,12,14,16,19-hexamethyl-6,11-dioxo-5,7,10,17-tetraoxa-1-azatricyclo[14.2.2.04,8]icosan-15-yl]oxy]-6-methyloxan-3-yl] acetate


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