(3aR,4R,6R,6aR)-2,2-dimethyl-6-(trityloxymethyl)-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-ol

1-(2,2-dimethyl-6-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-yl)-1H-imidazole-4-carboxylic acid amide

(S)-3-((3aS,4S,6R,6aR)-2,2-Dimethyl-6-trityloxymethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-5-methylene-piperidine-2,6-dione

(3aS,6aR)-3a-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-ol

[(3aR,4R,6aR)-6a-(tert-Butyl-diphenyl-silanyloxymethyl)-6-methoxy-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-methanol

(4R,5S)-5-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-2-trityloxy-ethyl]-2,2-dimethyl-[1,3]dioxolane-4-carbaldehyde

(1S,2R,3R)-2,3-(isopropylidenedioxy)-4-(trityloxymethyl)-4-cyclopenten-1-yl methanesulfonate

4-(2',3'-O-isopropylidene-5'-O-trityl-β-D-ribofuranosyl)-3-oxobutananilide

2-(2,3-O-isopropylidene-5-O-triphenylmethyl-α-D-ribofuranosyl)indole

1-(5-O-triphenylmethyl-2,3-O-isopropylidene-α-D-ribofuranosyl)-5-bromoindoline

1-O-tert-butyldimethysilyl-2,3-O-isopropylidene-5-O-tritylribitol-4-ulose

N-<4-(2',3'-O-isopropylidene-5'-O-trityl-α-D-ribofuranosyl)-3-oxobutanoyl>pyrrolidine

tert-butyl((S)-1-((4S,5R)-5-((Z)-2-iodovinyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethoxyethoxy)dimethylsilane

1-(2',3'-O-isopropylidene-5'-O-trityl-D-ribofuranosyl)-propane-2-carbonitrile

{2-[(4R,5R)-5-((R)-1-Hydroxy-2-trityloxy-ethyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-2-oxo-ethyl}-phosphonic acid dimethyl ester

2,5-di-O-benzoyl-3,4-O-isopropylidene-aldehydo-L-ribose