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methyl 2-((1aS,2R,3aS,4aR,6S,7S,8R,8aR,9aR,10aS)-7,8-bis(benzyloxy)-6-(2-oxopropyl)-10a-(triethylsilyl)dodecahydrooxireno[2,3-e]pyrano[2',3':5,6]pyrano[3,2-b]oxepin-2-yl)acetate
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(2S,3S,4R,4aR,5aR,8S,9R,10aS,11aR)-3,4-Bis-benzyloxy-2-(2-methyl-[1,3]dithian-2-ylmethyl)-9-prop-2-ynyl-2,3,4,4a,5a,8,9,10a,11,11a-decahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-8-ol