(2S,3R,4R)-N,N-Diethyl-2,3-epoxy-4,5-O-isopropylidene-4,5-dihydroxypentanoamide

3-(2,2-dimethyl-[1,3]dioxolan-4-yl)-3-oxo-propionic acid methyl ester

1-[(2S,4S,5R)-2-(2,2-Dimethyl-propionyl)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl]-1H-pyrimidine-2,4-dione

methyl (3R,4R)-2,2-dichloro-4,5-O-isopropylidene-3,4,5-trihydroxypentanoate

methyl 3,4,5-trihydroxy-3-O-pyranyl-4,5-O-isopropylidene-pentanoate