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(2R,4a'R,5R,6'S,8'R,8a'S)-5-(((tert-butyldiphenylsilyl)oxy)methyl)-6'-((1S,3S)-1-hydroxy-3-((2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)butyl)-7'-methyleneoctahydro-3H,3'H-spiro[furan-2,2'-pyrano[3,2-b]pyran]-8'-ol
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((2R,4a'R,5R,6'S,8'R,8a'R)-8'-(benzyloxy)-6'-((1S,3S)-1-(benzyloxy)-3-((2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)butyl)-7'-methyleneoctahydro-3H,3'H-spiro[furan-2,2'-pyrano[3,2-b]pyran]-5-yl)methanol
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(2R,4a'R,5R,6'S,8'R,8a'R)-8'-(benzyloxy)-6'-((1S,3S)-1-(benzyloxy)-3-((2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)butyl)-7'-methyleneoctahydro-3H,3'H-spiro[furan-2,2'-pyrano[3,2-b]pyran]-5-carbaldehyde
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(((2R,4a'R,5R,6'S,8'R,8a'R)-8'-(benzyloxy)-6'-((1S,3S)-1-(benzyloxy)-3-((2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)butyl)-7'-methyleneoctahydro-3H,3'H-spiro[furan-2,2'-pyrano[3,2-b]pyran]-5-yl)methoxy)(tert-butyl)diphenylsilane