(3S,4R,5R)-3,4-Bis-benzyloxy-5-[3-(tert-butyl-dimethyl-silanyloxy)-propyl]-pyrrolidin-2-one

(3S,4R,5R)-3,4-Bis-benzyloxy-1-(4-methoxy-benzyl)-5-[3-(tetrahydro-pyran-2-yloxy)-propyl]-pyrrolidin-2-one

{(1R,2R,3S,4S)-2,3,4-Tris-benzyloxy-1-[3-(tert-butyl-dimethyl-silanyloxy)-propyl]-5,6-dihydroxy-hexyl}-carbamic acid tert-butyl ester