2-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-4-(2-methoxybenzoyl)-1,2,4-triazine-3,5(2H,4H)-dione

2-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-fluoro-β-D-arabinofuranosyl]-4-(2-methoxybenzoyl)-1,2,4-triazine-3,5(2H,4H)-dione

2-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-4-(2-methoxybenzoyl)-1,2,4-triazine-3,5(2H,4H)-dione

2-(2-Deoxy-2-fluoro-β-D-arabinofuranosyl)-4-(2-methoxybenzoyl)-1,2,4-triazine-3,5(2H,4H)-dione

2-(2-Deoxy-β-D-erythro-pentofuranosyl)-4-(2-methoxybenzoyl)-1,2,4-triazine-3,5(2H,4H)-dione

5-Bromo-7-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine-2,4-diamine

Adenosine, 8-[[4-[[2-(methylamino)benzoyl]amino]butyl]amino]-, cyclic 3′,5′-(hydrogen phosphate)

Phenylalanine, 4-[9-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-N-[(phenylmethoxy)carbonyl]-, phenylmethyl ester

Phenylalanine, N-[(phenylmethoxy)carbonyl]-4-[9-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-9H-purin-6-yl]-, phenylmethyl ester

Phenylalanine, 4-[9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-N-[(phenylmethoxy)carbonyl]-, phenylmethyl ester

Phenylalanine, N-[(phenylmethoxy)carbonyl]-4-[9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purin-6-yl]-, phenylmethyl ester

Cytidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-N,N-dimethyl-2-(2-quinolinyl)-1H-benzimidazol-6-amine

Benzenesulfonic acid, 2,4,6-tris(1-methylethyl)-, (7R,7aR,10aR,11R)-7,7a,10a,11-tetrahydro-9,9-dimethyl-1-oxo-7,11-epoxy-1H,6H-8,10-dioxa-2,4,5,5a,11a-pentaazacyclopenta[5,6]cyclooct[1,2,3-cd]inden-3-yl ester

Uridine, 5-bromo-2′,3′-O-(1-methylethylidene)-, 5′-methanesulfonate

1-(3-Deoxy-β-D-erythro-pentofuranosyl)-5-nitro-2(1H)-pyridinone

1-(2,5-Di-O-acetyl-3-deoxy-β-D-erythro-pentofuranosyl)-5-nitro-2(1H)-pyridinone

Thymidine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 5′-(tetrahydro-4-hydroxy-3-furanyl carbonate)

Thymidine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 5′-[tetrahydro-4-[[[(4-methoxyphenyl)diphenylmethyl]thio]oxy]-3-furanyl carbonate]

7a,15a-Epoxy-1H-indolo[2,3-f]pyrrolo[3,2,1-gh][3,7]phenanthroline-1,7(2H)-dione, 3,3a,3b,4,5,6,7b,8,13,14-decahydro-6,8-dimethyl-, (3aR,3bS,7aS,7bS,12bR,15aR)-rel-