1-[2,3-Dideoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-3-iodo-α-D-threo-pentofuranosyl]-5-[(octyloxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[2,3-Dideoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-3-iodo-α-D-threo-pentofuranosyl]-5-[(heptyloxy)methyl]-2,4(1H,3H)-pyrimidinedione

Thymidine, 5′-O-[[[6-[[(4S)-4-[[4-[[(2-amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]amino]-4-carboxy-1-oxobutyl]amino]hexyl]oxy]mercaptophosphinyl]-P-thiothymidylyl-(3′→5′)-

Thymidine, 5′-O-[[[6-[[(4S)-4-[[4-[[(2-amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]amino]-1-oxo-4-[[[6-(thymidylyl-(5′→3′)-5′-thymidylyloxy)hexyl]amino]carbonyl]butyl]amino]hexyl]oxy]hydroxyphosphinyl]thymidylyl-(3′→5′)-

Thymidine, 5′-O-[[[6-[[(4S)-4-[[4-[[(2-amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]amino]-4-carboxy-1-oxobutyl]amino]hexyl]oxy]hydroxyphosphinyl]thymidylyl-(3′→5′)-

7-Fluoro-1-β-D-ribofuranosyl-1H-imidazo[4,5-c]pyridin-4-amine

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1H-1,2,4-triazol-3-amine

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1H-pyrazole-4-carboxamide

6H-Purin-6-one, 2-amino-7-(2-deoxy-β-D-erythro-pentofuranosyl)-1,7-dihydro-, O-methyloxime

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-4-(1-propyn-1-yl)-1H-pyrazole

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-4-iodo-1H-pyrazole

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-3-nitro-1H-pyrazole

Uridine 5′-(trihydrogen diphosphate), P′-(2-amino-2-deoxy-α-D-xylo-hexopyranos-4-ulos-1-yl) ester

Uridine 5′-(trihydrogen diphosphate), P′-(2-amino-2-deoxy-α-D-ribo-hexopyranos-3-ulos-1-yl) ester

Uridine, 3′-[(benzoyloxy)methyl]-2′,3′-dideoxy-2′-fluoro-3′-methyl-, 5′-benzoate, (3′R)-

1-[(3R)-2,3-Dideoxy-2-fluoro-3-(hydroxymethyl)-3-methyl-α-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(3R)-5-O-Benzoyl-3-[(benzoyloxy)methyl]-2,3-dideoxy-2-fluoro-3-methyl-α-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-2-fluoro-3,5-bis-O-(phenylmethyl)-α-D-ribofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione