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diethyl ((1R,1'R,3S,3'S)-((5S,6S)-2,2,3,3,8,8,9,9-octamethyl-4,7-dioxa-3,8-disiladecane-5,6-diyl)bis(cyclopent-4-ene-3,1-diyl)) bis(carbonate)
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9,9'-((1R,1'R,3S,3'S)-((5S,6S)-2,2,3,3,8,8,9,9-octamethyl-4,7-dioxa-3,8-disiladecane-5,6-diyl)bis(cyclopent-4-ene-3,1-diyl))bis(9H-purin-6-amine)
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