(1R,4S,5S)-(+)-4,5-O-isopropylidene-1-(tert-butyldimethylsilyloxymethyl)-2-cyclopenten-1-ol

(3aR,6R,6aR)-6-((tert-butyldimethylsilyloxy)methyl)-2,2-dimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-ol

(-)-1-[(4S,5S)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl]-2-(tert-butyldimethylsilyloxy)ethan-1-one

1-((tert-butyldimethylsilyl)oxy)-2-((4S,5S)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl)but-3-en-2-ol

2,3-O-isopropylidine-D-ribose