(3R,4S,5R,6R)-3,5-bis(benzyloxy)-6-benzyloxymethyl-4-hydroxytetrahydropyran-2-one

(2'R,3'S,4R,4'R,5'R)-4-benzyl-3-[2',4',6'-tris(benzyloxy)-5'-(tert-butyldimethylsilanyloxy)-3'-hydroxyhexanoyl]-5,5-dimethyloxazolidin-2-one