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(1S,2R,3R,6E,8S,9S,10S,12R,14E,16R)-2-[[(2R,3R,4R,5R,6R)-5-Hydroxy-3,4-dimethoxy-6-methyloxan-2-yl]oxymethyl]-9-[[(4R,5R,6R,7S)-6-hydroxy-4,9-dimethyl-2-oxo-1,3,8-trioxaspiro[4.5]decan-7-yl]oxy]-3,8,10,12-tetramethyl-4,17-dioxabicyclo[14.1.0]heptadeca-6,1


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