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(3aR,4aS,5aR,7S,8S,9R,9aR,10aR,12S,12aS)-8,9-Bis-benzyloxy-12-iodo-7-(2-oxo-propyl)-12-triethylsilanyl-dodecahydro-1,4,6,10-tetraoxa-naphtho[2,3-f]azulen-2-one
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2-((1aS,2R,3aS,4aR,6S,7S,8R,8aR,9aR,10aS)-7,8-bis(benzyloxy)-6-((2-methyl-1,3-dithian-2-yl)methyl)-10a-(triethylsilyl)dodecahydrooxireno[2,3-e]pyrano[2',3':5,6]pyrano[3,2-b]oxepin-2-yl)acetaldehyde
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((1aS,2R,3aS,4aR,6S,7S,8R,8aR,9aR,10aS)-7,8-bis(benzyloxy)-6-((2-methyl-1,3-dithian-2-yl)methyl)-2-(prop-2-yn-1-yl)decahydrooxireno[2,3-e]pyrano[2',3':5,6]pyrano[3,2-b]oxepin-10a(3aH)-yl)triethylsilane
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(3aR,4aS,5aR,7S,8S,9R,9aR,10aR,12S,12aS)-8,9-Bis-benzyloxy-12-iodo-7-(2-methyl-[1,3]dithian-2-ylmethyl)-12-triethylsilanyl-dodecahydro-1,4,6,10-tetraoxa-naphtho[2,3-f]azulen-2-one
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1-[(2S,3S,4R,4aR,5aR,9R,10aS,11aR)-3,4-Bis-benzyloxy-9-(2-hydroxy-ethyl)-7-triethylsilanyl-2,3,4,4a,5a,6,9,10a,11,11a-decahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-2-yl]-propan-2-one