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(1R,2R,5R,6S,7S,8R,11R,14R,15S)-8-[(2S,4S)-4-(Dimethylamino)-6-methyl-3-oxooxan-2-yl]oxy-6-[(2S,6S)-5-ethenyl-4,4,6-trimethyloxan-2-yl]oxy-2-ethyl-1,5,7,9,9,11,13,14-octamethyl-3,16,18-trioxa-13-azabicyclo[13.3.0]octadecane-4,17-dione


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