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9-[(2R,4aR,6R,7R,8R,8aS)-7-Allyloxycarbonylamino-2-phenyl-8-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-nonanoic acid methyl ester
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9-[(2R,3R,4R,5S,6R)-3-Allyloxycarbonylamino-6-benzyloxymethyl-5-hydroxy-4-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-nonanoic acid methyl ester
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