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(3aS,5S,7aS,10aS,11S,12R,12aS)-6,9,9,11,13,13-hexamethyl-2-oxo-5-((triisopropylsilyl)oxy)-5,7a,10a,11,12,12a-hexahydro-4H-3a,7-methanocyclodeca[1,2-d:5,6-d']bis([1,3]dioxole)-12-carbaldehyde
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2-((3aS,5S,8S,9S,10S,11R,11aS)-8,9-dihydroxy-6,10,12,12-tetramethyl-2-oxo-5-((triisopropylsilyl)oxy)-5,8,9,10,11,11a-hexahydro-4H-3a,7-methanocyclodeca[d][1,3]dioxol-11-yl)acetaldehyde
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2-((3aS,5S,8S,9S,10S,11R,11aS)-8-hydroxy-6,10,12,12-tetramethyl-2-oxo-9-((triethylsilyl)oxy)-5-((triisopropylsilyl)oxy)-5,8,9,10,11,11a-hexahydro-4H-3a,7-methanocyclodeca[d][1,3]dioxol-11-yl)acetaldehyde
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2-((1S,5S,6S,7S,8S,12S)-7,11,14,14-Tetramethyl-3,9-dioxo-8-triethylsilanyloxy-12-triisopropylsilanyloxy-2,4-dioxa-tricyclo[8.3.1.01,5]tetradec-10-en-6-yl)-propenal