(3S,4R,5R)-3,4-Bis-benzyloxy-5-(3-hydroxy-propyl)-1-(4-methoxy-benzyl)-pyrrolidin-2-one

(2R,3R,4S)-3,4-Bis-benzyloxy-2-[3-(tert-butyl-dimethyl-silanyloxy)-propyl]-5-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester

{(1R,2R,3R,4S)-2,3-Bis-benzyloxy-1-[3-(tert-butyl-dimethyl-silanyloxy)-propyl]-4-hydroxy-hex-5-enyl}-carbamic acid tert-butyl ester

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

(2R,3R,4R,5S)-3,4,5-Tris-benzyloxy-2-(3-hydroxy-propyl)-piperidine-1-carboxylic acid benzyl ester