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(2R,3R,7R,8R,11R,12S,13S,14R,15R,17R)-14-[(2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-8-ethyl-12-(2-methoxyethoxymethoxy)-2,7,11,13,15,17-hexamethyl-4,6,9,20-tetraoxa-1-azatricyclo[13.3.2.03,7]icosane-5,10-dione


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