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(3R,4S,5R,6R)-3,4,5-Tris-benzyloxy-6-[(2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-((2S,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxymethyl)-tetrahydro-pyran-2-yloxymethyl]-tetrahydro-pyran-2-ylamine