N-[5-Bromo-4-chloro-7-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

N-[4,5-Dichloro-7-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

5,6-Dibromo-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine-2,4-diamine

5,6-Dibromo-4-chloro-7-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-2-amine

N-[4-Chloro-7-[2-deoxy-3,5-bis-O-(2-methyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-2-yl]formamide

N-[5-Bromo-4-chloro-7-[2-deoxy-3,5-bis-O-(2-methyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-2-yl]formamide

N-[4,5-Dichloro-7-[2-deoxy-3,5-bis-O-(2-methyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-2-yl]formamide

N-[4-Chloro-7-[2-deoxy-3,5-bis-O-(2-methyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-2-yl]formamide

N′-[4-Chloro-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-2-yl]-N,N-dimethylmethanimidamide

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

1-[(2R,5R)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]tetrahydro-5-(2-hydroxyethyl)-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,5R)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]tetrahydro-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-4′-C-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]thymidine

(2S,3S,5R)-5-(3,4-Dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]tetrahydro-2-(phenylseleno)-2-furancarboxaldehyde

5-Methyl-1-[(2R,5R)-tetrahydro-5-(2-hydroxyethyl)-5-(hydroxymethyl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

2-[(2R,5R)-2-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]ethyl 2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite

D-glycero-α-L-talo-Heptofuranuronamide, 1,6-dideoxy-5-O-[5-deoxy-5-[[(1,1-dimethylethoxy)carbonyl]amino]-β-D-ribofuranosyl]-1-[3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl]-6-[[(2S)-2-[(4S)-1-dodecyl-3-methyl-2,5-dioxo-4-imidazolidinyl]-2-hydroxyethyl]methylamino]-N-methyl-

D-glycero-α-L-talo-Heptofuranuronamide, 6-[[(2S,3S)-3-carboxy-2-hydroxy-3-(methylamino)propyl]methylamino]-1,6-dideoxy-5-O-[5-deoxy-5-[[(1,1-dimethylethoxy)carbonyl]amino]-β-D-ribofuranosyl]-1-[3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl]-N-methyl-

D-glycero-α-L-talo-Heptofuranuronamide, 5-O-(5-amino-5-deoxy-β-D-ribofuranosyl)-6-[[(2S,3S)-3-carboxy-2-hydroxy-3-(methylamino)propyl]methylamino]-1,6-dideoxy-1-[3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl]-N-methyl-

Uridine, 5′-O-[5-deoxy-5-[[(1,1-dimethylethoxy)carbonyl]amino]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-5′-C-[(2S,5S,6S)-hexahydro-5-(methoxycarbonyl)-1,4-dimethyl-3-oxo-6-[(1-oxododecyl)oxy]-1H-1,4-diazepin-2-yl]-2′,3′-O-(1-methylethylidene)-, (5′S)-