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(2R,4S,4aR,5aR,7aS,9R,10S,12aR,13aS,14aR)-5a,10-dimethyl-4-((triisopropylsilyl)oxy)-2-(3-((triisopropylsilyl)oxy)propyl)-9-vinylhexadecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-10-ol
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3-((2R,4S,4aR,5aR,7aS,9R,10S,12aR,13aS,14aR)-10-((tert-butyldimethylsilyl)oxy)-9-((Z)-hexa-3,5-dien-1-yl)-5a,10-dimethyl-4-((triisopropylsilyl)oxy)hexadecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-2-yl)propan-1-ol
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3-((2R,4S,4aR,5aR,7aS,9R,10S,12aR,13aS,14aR)-10-((tert-butyldimethylsilyl)oxy)-5a,10-dimethyl-4-((triisopropylsilyl)oxy)-2-(3-((triisopropylsilyl)oxy)propyl)hexadecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-9-yl)propan-1-ol
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tert-butyl(((2R,4S,4aR,5aR,7aS,9R,10S,12aR,13aS,14aR)-9-((Z)-hexa-3,5-dien-1-yl)-5a,10-dimethyl-4-((triisopropylsilyl)oxy)-2-(3-((triisopropylsilyl)oxy)propyl)hexadecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-10-yl)oxy)dimethylsilane
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3-((2R,4S,4aR,5aR,7aS,9R,10S,12aR,13aS,14aR)-10-((tert-butyldimethylsilyl)oxy)-5a,10-dimethyl-4-((triisopropylsilyl)oxy)-2-(3-((triisopropylsilyl)oxy)propyl)hexadecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-9-yl)propanal