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[(2R,3R,4S,5R,8R,9S,10R,12R,14S)-5-[(2S)-1-[(2R,3R,4R,5R,6R)-5-Acetyloxy-3,4-dimethoxy-6-methyloxan-2-yl]oxypropan-2-yl]-1-chloro-9-[(2R,4R,5S,6S)-4,5-diacetyloxy-4,6-dimethyloxan-2-yl]oxy-2,4,8,10,12,14-hexamethyl-7,16-dioxo-6,15,17-trioxabicyclo[12.3.0]


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