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(2S,3aS,6aR,7R,8R,8bR,9aR,11R,11aR)-8-((tert-butyldimethylsilyl)oxy)-2-hydroxy-2,7,9,9,11-pentamethyl-11a-((trimethylsilyl)oxy)-2,3,6a,7,8,8a,8b,9,9a,10,11,11a-dodecahydro-cyclopropa[5',6']benzo[1',2':7,8]azuleno[3a,4-d][1,3]dioxol-5-one
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(3aS,6aR,7R,8R,9R,9aR,10aR,12R,12aS)-8-((tert-butyldimethylsilyl)oxy)-2,7,10,10,12-pentamethyl-6a,7,9,9a,10,10a,12,12-octahydro-3H,8H-9,12a-methanocyclopenta[1,10]cyclopropa[6,7]cyclodeca[1,2-d][1,3]dioxole-5,13-dione
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(3S,3aS,6aR,7R,8R,9R,9aR,10aR,12R,12aS)-8-((tert-butyldimethylsilyl)oxy)-2,7,10,10,12-pentamethyl-5,13-dioxo-6a,7,9,9a,10,10a,11,12-octahydro-3H,8H-9,12a-methanocyclopenta[1,10]cyclopropa[6,7]cyclodeca[1,2-d][1,3]dioxol-3-yl acetate
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(3S,3aS,6aR,7S,8R,9R,9aR,10aR,12R,12aS)-8-hydroxy-2,7,10,10,12pentamethyl-5,13-dioxo-6a,7,9,9a,10,10a,11,12-octahydro-3H,8H-9,12a-methanocyclopenta[1,10]cyclopropa[6,7]cyclodeca[1,2-d][1,3 ]dioxol-3-yl acetate
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