5-Methyl-1-[5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-3-O-(phenylmethyl)-α-L-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

6H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one, 2,3,3a,9a-tetrahydro-7-methyl-2,2-bis[[(methylsulfonyl)oxy]methyl]-3-(phenylmethoxy)-, (3R,3aS,9aR)-

5-Methyl-1-[5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-3-O-(phenylmethyl)-α-L-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-2-fluoro-β-D-xylofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-fluoro-β-D-xylofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-2-fluoro-β-D-xylofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-2-fluoro-α-D-xylofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(3,5-Di-O-benzoyl-2-deoxy-2-fluoro-β-D-xylofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(3,5-Di-O-benzoyl-2-deoxy-2-fluoro-α-D-xylofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-O-Acetyl-5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-3-O-(phenylmethyl)-α-L-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(2,3-Anhydro-5-O-benzoyl-β-D-lyxofuranosyl)-5-fluoro-2,4(1H,3H)-pyrimidinedione

Guanosine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-1′-(4-amino-9H-pyrimido[4,5-b]indol-9-yl)-1′-de(6-amino-9H-purin-9-yl)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

N′-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-9H-pyrimido[4,5-b]indol-4-yl]-N,N-dimethylmethanimidamide

1-[2,3-Anhydro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-[3-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1H-1,2,4-triazole-3-carboxamide

L-Alanine, N-[[P(S)]-2′,3′-dideoxy-P-phenyl-5′-adenylyl]-, methyl ester

L-Alanine, N-[[P(R)]-2′,3′-dideoxy-P-phenyl-5′-adenylyl]-, methyl ester

3′-Thymidylic acid, P(O)-[2-(acetylthio)ethyl]-P-thiothymidylyl-(3′→5′)-P-thiothymidylyl-(3′→5′)-thymidylyl-(3′→5′)-, 3′-[2-(acetylthio)ethyl] ester

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[2-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]benzoyl]-, 3′-[2-(trimethylsilyl)ethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[2-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]benzoyl]-, 3′-[2-(trimethylsilyl)ethyl bis(1-methylethyl)phosphoramidite]