2-Amino-1,9-dihydro-9-(2,3,5-tri-O-acetyl-α-D-arabinofuranosyl)-6H-purine-6-thione

2-Amino-1,9-dihydro-9-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-6H-purine-6-thione

N-[6-Chloro-9-(2,3,5-tri-O-benzoyl-α-D-arabinofuranosyl)-9H-purin-2-yl]acetamide

N-[6-Chloro-9-(2,3,5-tri-O-acetyl-β-D-xylofuranosyl)-9H-purin-2-yl]acetamide

9H-Purin-2-amine, 6-chloro-9-[3,5-O-(1-methylethylidene)-β-D-xylofuranosyl]-

6-Chloro-9-β-D-xylofuranosyl-9H-purin-2-amine

6H-Purin-6-one, 2-amino-1,9-dihydro-9-[3,5-O-(1-methylethylidene)-β-D-xylofuranosyl]-

2-Amino-1,9-dihydro-9-[3,5-O-(1-methylethylidene)-β-D-xylofuranosyl]-6H-purine-6-thione

9H-Purin-2-amine, 6-chloro-9-[3,5-O-(1-methylethylidene)-2-O-(methylsulfonyl)-β-D-xylofuranosyl]-

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3-(3-hydroxypropyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,6-dihydro-5-methyl-2(1H)-pyrimidinone

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,4-dihydro-5-methyl-2(1H)-pyrimidinone

1-[(5R,6R,8R,9R)-4-Amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,4-dihydro-5-methyl-4-thioxo-2(1H)-pyrimidinone

5-[(1E)-2-Bromoethenyl]-1-[2-O-(1-oxooctyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[2-O-(phenylmethyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-(2-O-octyl-β-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[2-O-(1-oxopentyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[2-O-(1-oxododecyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[2-O-(1-oxodecyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 2-amino-1,7-dihydro-7-[5-O-(hydroxymercaptophosphinyl)-β-D-ribofuranosyl]-