3-amino-1-(6-amino-purin-9-yl)-β-D-1,3-dideoxy-xylofuranose

9-(2,5-Di-O-acetyl-3-trifluoracetamido-β-ribofuranosyl)-N-2-acetylguanin

3'-(N-tert-butyloxycarbonyl-L-phenylalanyl-amido)-3'-deoxy-5'-O-(4,4'-dimethoxytrityl)-adenosine

9-(2,5-Di-O-acetyl-3-trifluoracetamido-α-ribofuranosyl)-N-2-acetylguanin

1,2,5-Tri-O-acetyl-3-trifluoracetamido-β-D-ribofuranose

5'-O-(tert-butyl-diphenylsilyl)-3'-(N-tert-butyloxycarbonyl-L-phenylalanyl-amido)-3'-deoxy-6-N,6-N,2'-O-tribenzoyl-adenosine

3'-(N-tert-butyloxycarbonyl-L-phenylalanyl-amido)-3'-deoxy-5'-O-(4,4'-dimethoxytrityl)-6-N,6-N,2'-O-tribenzoyl-adenosine

Toluene-4-sulfonic acid (2R,3R,4R,5S)-4-amino-2-(6-amino-purin-9-yl)-5-(hydroxy-phosphonomethyl-phosphinoyloxymethyl)-tetrahydro-furan-3-yl ester

Toluene-4-sulfonic acid (2R,3R,4R,5S)-2-(6-amino-purin-9-yl)-4-tert-butoxycarbonylamino-5-(hydroxy-phosphonomethyl-phosphinoyloxymethyl)-tetrahydro-furan-3-yl ester

1,2,5-Tri-O-acetyl-3-trifluoracetamido-α-D-ribofuranose

((2S,3R,4R,5R)-5-(6-amino-9H-purin-9-yl)-3-((tert-butoxycarbonyl)amino)-4-(tosyloxy)tetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate

9-(3-Amino-3-desoxy-α-D-ribofuranosyl)guanin

[(2S,3S,4R,5R)-5-(6-Amino-purin-9-yl)-4-hydroxy-2-phosphonooxymethyl-tetrahydro-furan-3-yl]-carbamic acid tert-butyl ester

[(3aR)-6c-(6-amino-purin-9-yl)-2c-mercapto-2t-oxo-(3ar,6ac)-hexahydro-2λ5-furo[3,4-d][1,3,2]oxazaphosphol-4c-yl]-methanol

[(3aR)-6c-(6-amino-purin-9-yl)-2t-mercapto-2c-oxo-(3ar,6ac)-hexahydro-2λ5-furo[3,4-d][1,3,2]oxazaphosphol-4c-yl]-methanol

(4aR)-6t-(6-amino-purin-9-yl)-2-oxo-(4ar,7ac)-hexahydro-2λ5-furo[3,2-d][1,3,2]oxazaphosphinine-2,7c-diol

tert-butyl ((2S,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-4-hydroxy-2-(((hydroxy(phosphonooxy)phosphoryl)oxy)methyl)tetrahydrofuran-3-yl)carbamate