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Methyl (E,4R,5R,6R,7R,8S)-8-[tert-butyl(dimethyl)silyl]oxy-5,7-dihydroxy-4-(4-methoxyphenoxy)-6-methyl-8-[(4S)-4-methyl-2-oxo-1,3-dioxolan-4-yl]oct-2-enoate


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