(3aS,4R,6aR)-6-(benzyloxymethyl)-5-fluoro-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-ol

(3aR,6aR)-6-benzyloxymethyl-5-iodo-2,2-dimethyl-3a,6a-dihydro-cyclopenta[1,3]dioxol-4-one

((3aR,4R,6aR)-6-(benzyloxymethyl)-5-iodo-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-yloxy)(tert-butyl)diphenylsilane

(1R,4S,5S)-1-(benzyloxymethyl)-2-en-4,5-(O-isopropylidenedioxy)-cyclopentan-1-ol

(1R)-(+)-1-[(4S,5S)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl]-1-[(tert-butyldiphenylsilyloxy)methyl]-2-propen-1-ol