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(1S,5S,6S,12S,16S)-16-[Tert-butyl(dimethyl)silyl]oxy-12-hydroxy-7-methoxy-15,18,18-trimethyl-2,4-dioxatetracyclo[12.3.1.01,5.06,11]octadeca-7,10,14-trien-3-one


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