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(2R)-3beta-(4-Methoxyphenoxy)-4alpha-hydroxy-5beta-methyl-6alpha-[(S)-[(4S)-2-oxo-4-methyl-1,3-dioxolane-4alpha-yl](tert-butyldimethylsiloxy)methyl]tetrahydro-2H-pyran-2alpha-acetic acid methyl ester


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