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2-(trimethylsilyl)ethoxymethyl (1R,2S,4aR,5S,6R,8aS)-2-ethynyl-5-hydroxy-6-hydroxymethyl-1,3-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalene-1-carboxylate
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(1R,2S,4aR,5S,6R,8aS)-2-ethynyl-5-hydroxy-6-hydroxymethyl-1,3-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalene-1-carboxylic acid
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[2-(trimethylsilyl)ethoxy]methyl (1S,2R,3Z,5S,6R,7S,10R,13R)-5-[(1E,3E,5S,6R,7E,12R)-(12-hydroxy-7-methoxycarbonyl-6-methoxymethoxy-5-methyl)trideca-1,3,7-trienyl]-4,6-dimethyl-13-phenyl-12,14-dioxatricyclo[8.4.0.02,7]tetradec-3-ene-6-carboxylate
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(1S,2R,3Z,5S,6R,7S,10R,13R)-5-[(1E,3E,5S,6R,7E,12R)-(12-hydroxy-7-methoxycarbonyl-6-methoxymethoxy-5-methyl)trideca-1,3,7-trienyl]-4,6-dimethyl-13-phenyl-12,14-dioxatricyclo[8.4.0.02,7]tetradec-3-ene-6-carboxylic acis