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(1R,2S,4R,6S,9R,13R,14S,15S,E)-6-((tert-butyldimethylsilyl)oxy)-15-hydroxy-13-methoxy-14-methyl-9-((S)-3-methylbut-3-en-2-yl)-15-((trimethylsilyl)methyl)-3,10,17-trioxatricyclo[11.3.1.02,4]heptadec-7-en-11-one
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(1R,2S,4R,6S,9R,13R,14S,E)-6-((tert-butyldimethylsilyl)oxy)-13-methoxy-14-methyl-9-((S)-3-methylbut-3-en-2-yl)-15-methylene-3,10,17-trioxatricyclo[11.3.1.02,4]heptadec-7-en-11-one
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(1R,2S,4R,6S,9R,13R,14S,E)-6-hydroxy-13-methoxy-14-methyl-9-((S)-3-methylbut-3-en-2-yl)-15-methylene-3,10,17-trioxatricyclo[11.3.1.02,4]heptadec-7-en-11-one
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(1R,2S,4R,9R,13R,14S,E)-13-methoxy-14-methyl-9-((S)-3-methylbut-3-en-2-yl)-15-methylene-3,10,17-trioxatricyclo[11.3.1.02,4]heptadec-7-ene-6,11-dione
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