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(2R,3S,4aR,5aS,6aR,8S,9R,10aS,11aR,12aS)-9-Benzyloxy-8-(2-benzyloxy-ethyl)-2-hydroxymethyl-5a,11a-dimethoxy-2-methyl-tetradecahydro-1,5,7,11-tetraoxa-naphthacen-3-ol
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(2R,3S,4aR,5aS,6aR,8S,9R,10aS,11aR,12aS)-9-Benzyloxy-8-(2-benzyloxy-ethyl)-3-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-dimethyl-silanyloxymethyl)-5a,11a-dimethoxy-2-methyl-tetradecahydro-1,5,7,11-tetraoxa-naphthacene
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(2S,3R,4aS,5aR,6aS,10aR,11aS,13aR)-2,13a-Dimethyl-8-phenyl-2-vinyl-dodecahydro-1,5,7,9,11-pentaoxa-benzo[4,5]cyclohepta[1,2-b]naphthalen-3-ol
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