(2R,3R)-6-(2-{(4R,5R)-5-[(R)-2-Benzyloxy-1-((4S,5R)-4,5-bis-benzyloxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-1-hydroxy-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-[1,3]dithian-2-yl)-2-methyl-1-phenyl-hexan-3-ol