1-[2-C-(Nitromethyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

Adenosine, 2-ethynyl-2',3'-O-(1-methylethylidene)-, 5'-[hydrogen P-[[[2-[1,3-dihydro-6-methoxy-7-methyl-3-oxo-4-(phenylmethoxy)-5-isobenzofuranyl]ethoxy]hydroxyphosphinyl]methyl]phosphonate]

Adenosine 5'-(trihydrogen diphosphate), 2-ethynyl-, P'→5'-ester with 2-β-D-ribofuranosyl-4-thiazolecarboxamide

Adenosine 5'-(trihydrogen diphosphate), 2-ethynyl-2',3'-O-(1-methylethylidene)-, P'→5'-ester with 2-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-thiazolecarboxamide

2'-Deoxy-5'-S-phenyl-5'-thioguanosine

1-[5-O-Benzoyl-2,3-dideoxy-3-(hydroxymethyl)-β-D-threo-pentofuranosyl]-5-chloro-2,4(1H,3H)-pyrimidinedione

Phenylalanine, N-phosphono-, 1-methyl ester, 5'-ester with 5-bromo-1-(2-deoxy-β-L-erythro-pentofuranosyl)-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-β-L-erythro-pentofuranosyl)-5-[[(2E)-4-phenyl-2-buten-1-yl]oxy]-2,4(1H,3H)-pyrimidinedione

1-(3-Amino-3,5,6-trideoxy-β-D-ribo-hexofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-Deoxy-2,3-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-L-ribofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

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

1-[3,5-Bis-O-(phenylmethyl)-β-D-xylofuranosyl]-5,6-dichloro-1H-benzimidazole

1-[3,5-Bis-O-(4-methylbenzoyl)-β-D-arabinofuranosyl]-5-(1-butyn-1-yl)-2,4(1H,3H)-pyrimidinedione

Tryptophan, N-phosphono-, 3-methyl ester, 5'-ester with 5-bromo-1-(2-deoxy-β-L-erythro-pentofuranosyl)-2,4(1H,3H)-pyrimidinedione

1-[5-O-[(Dodecyloxy)hydroxyphosphinyl]-β-D-arabinofuranosyl]-5-(1-propyn-1-yl)-2,4(1H,3H)-pyrimidinedione

1-[(4aS,6R,7aR)-Hexahydro-1-hydroxy-2-(4-nitrophenyl)-2H-furo[3,2-d][1,3]oxazin-6-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2,3-Dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

5-Fluoro-1-[(2R,4Z,5S)-tetrahydro-4-(hydroxyimino)-5-(hydroxymethyl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

2-Amino-1,9-dihydro-9-[(1R,5R,7R,8S)-8-hydroxy-5-(hydroxymethyl)-6-oxa-2-azabicyclo[3.2.1]oct-7-yl]-6H-purin-6-one

(1R,5R,7R,8S)-7-(6-Amino-9H-purin-9-yl)-8-hydroxy-6-oxa-2-azabicyclo[3.2.1]octane-5-methanol