(S)-tert-Butoxycarbonylamino-((4S,5R,4'R)-2,2,2',2'-tetramethyl-[4,4']bi[[1,3]dioxolanyl]-5-yl)-acetic acid methyl ester

{(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-[(4R,5R)-5-((R)-1-hydroxy-ethyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-carbamic acid tert-butyl ester

6-O-t-butyldimethylsilyl-3,4-O-isopropylidene-1-deoxymannojirimycin

(2R,3R,4R,5S)-3,4-dihydroxy-2-(hydroxymethyl)-5-methylpyrrolidine