(3aS,4S,6aR)-6-{{[(1,1-dimethylethyl)dimethylsilyl]oxy}methyl}-3a,6a-dihydro-2,2-dimethyl-4H-cyclopenta[d]-1,3-dioxol-4-ol

(3aR,6aR)-6-{{[(1,1-dimethylethyl)dimethylsilyl]oxy}methyl}-3a,6a-dihydro-2,2-dimethyl-4H-cyclopenta[d]-1,3-dioxol-4-one

(Z)-5-O-(tert-Butyldimethylsilyl)-4,5-didehydro-2,3-O-isopropylidene-D-erythro-penturono-1,4-lactone

<1S-(1α,4α,5α)>-1-<(Benzyloxycarbonyl)oxy>-3-<<(tert-butyldimethylsilyl)oxy>methyl>-4,5-(isopropylidenedioxy)-2-cyclopentene

3,4-O-Isopropylidene-aldehydo-L-ribo-penturono-5,2-lactone