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  • Acetic acid (Z)-(S)-3-{(2R,3R,5S,6S)-2,5-dimethyl-6-[(2E,4E)-3-methyl-5-((3R,4R,5R,7S)-7-methyl-4-triethylsilanyloxy-1,6-dioxa-spiro[2.5]oct-5-yl)-penta-2,4-dienyl]-tetrahydro-pyran-3-ylcarbamoyl}-1-methyl-allyl ester

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