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(1S,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-7-methyl-8-[2-((2R,4R,6S)-tetrahydro-4,6-dimethoxy-2H-pyran-2-yl)-ethyl]-1-naphthyl (2S)-2-methylbutyrate
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methyl (1S,4R,4aS,5R,8S,8aR)-1,3,4,5,8,8a-hexahydro-5-(phenylthio)-8-[2-((2R,4R,6S)-tetrahydro-4,6-dimethoxy-2H-pyran-2-yl)-ethyl]-1,4-epoxynaphthalene-4a(2H)-carboxylate
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methyl (1S,4R,4aR,7R,8R,8aR)-1,3,4,7,8,8a-hexahydro-7-benzoxy-8-[2-((2R,4R,6S)-tetrahydro-4,6-dimethoxy-2H-pyran-2-yl)-ethyl]-1,4-epoxynaphthalene-4a(2H)-carboxylate
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methyl (1S,4R,4aR,7R,8R,8aR)-1,3,4,7,8,8a-hexahydro-7-hydroxy-8-[2-((2R,4R,6S)-tetrahydro-4,6-dimethoxy-2H-pyran-2-yl)-ethyl]-1,4-epoxynaphthalene-4a(2H)-carboxylate
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methyl (1S,4R,4aR,7S,8R,8aR)-1,3,4,7,8,8a-hexahydro-7-hydroxy-8-[2-((2R,4R,6S)-tetrahydro-4,6-dimethoxy-2H-pyran-2-yl)-ethyl]-1,4-epoxynaphthalene-4a(2H)-carboxylate