6-O-benzyl-3-deoxy-1,2-O-isopropylidene-3-C-methyl-α-D-allofuranose

2-(benzyloxy)-1-((3aR,5S,6S,6aR)-2,2,6-trimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)ethanone

(2S,3S,4R)-3-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-5-oxo-2-vinyl-pyrrolidine-2-carbaldehyde

(3R,4S,5R)-4-(tert-butyldimethylsilyl)oxy-5-hydroxymethyl-3-methyl-5-vinyl-2-pyrrolidinone

(3R,4S,5R)-5-benzyloxymethyl-4-hydroxy-3-methyl-5-vinyl-2-pyrrolidinone