ethyl 2-[(3aR,5S,6R,6aR)-5-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-yl]acetate

2',5'-di-O-acetyl-3'-deoxy-3'-[(ethoxycarbonyl)methyl]adenosine

2-((2S,3R,4R,5R)-2-{[(tert-butyldimethylsilyl)oxy]methyl}-5-methoxy-4-[(triethylsilyl)oxy]tetrahydrofuran-3-yl)acetaldehyde

1,2,5-tri-O-acetyl-3-deoxy-3-[(ethoxycarbonyl)methyl]-D-ribofuranose

(2R,3R,4S,5S)-5-(((tert-butyldimethylsilyl)oxy)methyl)-4-(2-hydroxyethyl)-2-methoxytetrahydrofuran-3-ol

2'-O-(tert-butyldimethylsilyl)-3'-(carboxymethyl)-3'-deoxy-5'-O-(4,4'-dimethoxytrilyl)adenosine

(3aR,4S,6R,6aR)-4-{[(tert-butyldimethylsilyl)oxy]methyl}-6-methoxytetrahydrofuro[3,4-b]furan-2(3H)-one

3'-(carboxymethyl)-3'-deoxy-5'-O-(4,4'-dimethoxytrilyl)adenosine 2',3'-lactone

tert-butyl[((2S,3R,4R,5R)-5-methoxy-4-[(triethylsilyl)oxy]-3-{2-[(triethylsilyl)oxy]ethyl}tetrahydrofuran-2-yl)methoxy]dimethylsilane

3'-(carboxymethyl)-3'-deoxy-5'-O-(4,4'-dimethoxytrilyl)-5-methyluridine 2',3'-lactone

2',5'-di-O-acetyl-3'-deoxy-3'-[(ethoxycarbonyl)methyl]-5-methyluridine