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  • (1S,4aS,7aS)-1-((2S,3R,4S,5R,6R)-3,4,5-Triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-7-trityloxymethyl-1,4a,5,7a-tetrahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester

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