1-[(2R,3R,4S,5R)-Tetrahydro-3,4-dihydroxy-5-[(1E)-4-iodo-1-buten-3-yn-1-yl]-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,3R,4S,5R)-5-(1E)-1-Buten-3-yn-1-yltetrahydro-3,4-dihydroxy-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(3aR,4R,6R,6aR)-Tetrahydro-6-[(1E)-4-iodo-1-buten-3-yn-1-yl]-2,2-dimethylfuro[3,4-d]-1,3-dioxol-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[(3aR,4R,6R,6aR)-6-(1E)-1-Buten-3-yn-1-yltetrahydro-2,2-dimethylfuro[3,4-d]-1,3-dioxol-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[(3aR,4R,6R,6aR)-Tetrahydro-2,2-dimethyl-6-[(1E)-4-(trimethylsilyl)-1-buten-3-yn-1-yl]furo[3,4-d]-1,3-dioxol-4-yl]-2,4(1H,3H)-pyrimidinedione

Ethyl (2Z)-5-[(2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)tetrahydro-3,4-dihydroxy-2-furanyl]-2-penten-4-ynoate

Ethyl (2Z)-5-[(3aR,4R,6R,6aR)-6-(6-amino-9H-purin-9-yl)tetrahydro-2,2-dimethylfuro[3,4-d]-1,3-dioxol-4-yl]-2-penten-4-ynoate

(2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-(1Z)-1-buten-3-yn-1-yltetrahydro-3,4-furandiol

9-[(3aR,4R,6R,6aR)-Tetrahydro-2,2-dimethyl-6-[(1Z)-4-(trimethylsilyl)-1-buten-3-yn-1-yl]furo[3,4-d]-1,3-dioxol-4-yl]-9H-purin-6-amine

(2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)tetrahydro-5-[(1E)-4-iodo-1-buten-3-yn-1-yl]-3,4-furandiol

(2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-(1E)-1-buten-3-yn-1-yltetrahydro-3,4-furandiol

9-[(3aR,4R,6R,6aR)-Tetrahydro-6-[(1E)-4-iodo-1-buten-3-yn-1-yl]-2,2-dimethylfuro[3,4-d]-1,3-dioxol-4-yl]-9H-purin-6-amine

9-[(3aR,4R,6R,6aR)-6-(1E)-1-Buten-3-yn-1-yltetrahydro-2,2-dimethylfuro[3,4-d]-1,3-dioxol-4-yl]-9H-purin-6-amine

Uridine, 5′-O-[hydroxy(phosphonooxy)phosphinyl]adenylyl-(2′→5′)-, P′→5′-ester with 3-(aminocarbonyl)-1-β-D-ribofuranosylpyridinium inner salt

Guanosine, 5′-O-[hydroxy(phosphonooxy)phosphinyl]adenylyl-(2′→5′)-, P′→5′-ester with 3-(aminocarbonyl)-1-β-D-ribofuranosylpyridinium inner salt

2,4(1H,3H)-Pyrimidinedione, 1-[1,6-anhydro-3-deoxy-5-C-(hydroxymethyl)-α-L-threo-2-hexulofuranosyl]-5-methyl-

2-Amino-9-(1,3-anhydro-β-D-psicofuranosyl)-1,9-dihydro-6H-purin-6-one

Methanimidamide, N′-[9-[1,3-anhydro-6-O-[bis(4-methoxyphenyl)phenylmethyl]-4-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-β-D-psicofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-N,N-dimethyl-

Methanimidamide, N′-[9-[1,3-anhydro-6-O-[bis(4-methoxyphenyl)phenylmethyl]-β-D-psicofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-N,N-dimethyl-

Methanimidamide, N′-[9-[1,3-anhydro-4,6-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-psicofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-N,N-dimethyl-