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  • (S)-2-[(R)-2-((2R,4aR,6S,7R,8R,8aS)-7-Acetylamino-6-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy)-propionylamino]-propionic acid 2-trimethylsilanyl-ethyl ester

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