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(2S,2aS,4R,4aS,5R,6R,7R,7aS,7bR)-5-tert-butyldimethylsiloxy-2-hydroxy-6,7-(O-isopropylidenedioxy)decahydroindeno[7,1-bc]furan-4-carbaldehyde
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(2S,2aS,4S,4aS,5R,6R,7R,7aS,7bR)-5-tert-butyldimethylsilyloxy-2-hydroxy-6,7-(isopropylidenedioxy)decahydroindeno[7,1-bc]furan-4-carbaldehyde
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(2S,2aS,4R,4aR,5R,6R,7R,7aS,7bR)-5-tert-butyldimethylsiloxy-4-[4-methoxy-3-(methoxymethoxy)benzyl]-6,7-(isopropylidenedioxy)decahydroindeno[7,1-bc]furan-2-ol
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(2S,2aS,4S,4aR,5R,6R,7R,7aS,7bR)-5-tert-butyldimethylsiloxy-4-[1-hydroxy[4-methoxy-3-(methoxymethoxy)phenyl]methyl]-6,7-(isopropylidenedioxy)decahydroindeno[7,1-bc]furan-2-ol