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[(2R,3R,4S,5R,8R,9S,10R,12R,14S)-9-[[(3As,4S,6R,7aR)-4,7a-dimethyl-2-oxo-3a,4,6,7-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yl]oxy]-5-[(2S)-1-[(2R,3R,4R,5R,6R)-5-acetyloxy-3,4-dimethoxy-6-methyloxan-2-yl]oxypropan-2-yl]-1-chloro-2,4,8,10,12,14-hexamethyl-7,16


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