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Methyl 2-[(2R,3S,4R,5R,6R)-6-[(S)-[tert-butyl(dimethyl)silyl]oxy-[(4S)-4-methyl-2-oxo-1,3-dioxolan-4-yl]methyl]-4-hydroxy-3-(4-methoxyphenoxy)-5-methyloxan-2-yl]acetate


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