(2S,3S,5R,7S,9S)-3,4-Dimethyl-9-(1-methylethyl)-2-phenyl-1,6-dioxa-4-azaspiro[4.4]nonane-7-carboxaldehyde

(2S,3S,5R,7S,9S)-3,4-Dimethyl-9-(1-methylethyl)-2-phenyl-1,6-dioxa-4-azaspiro[4.4]nonane-7-methanol

(2S,3S,5R,7S,9S)-7-(Bromomethyl)-3,4-dimethyl-9-(1-methylethyl)-2-phenyl-1,6-dioxa-4-azaspiro[4.4]nonane

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl]-5-[3-[(trifluoroacetyl)amino]-1-propynyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl]-5-iodo-

Uridine, 2′-O-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl]-5-iodo-, 3′,5′-diacetate

1-(1,3-Anhydro-β-D-psicofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

Thymidine, 3-[[1-(2-deoxy-β-D-erythro-pentofuranosyl)-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-, 5′-(4-oxopentanoate) 3′-(2-propenyl carbonate)

Thymidine, 3-[[1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-, 5′-(4-oxopentanoate) 3′-(2-propenyl carbonate)

Thymidine, 3-[[1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-, 3′-(2-propenyl carbonate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3-[[1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-, 3′-(2-propenyl carbonate)

Thymidine, 3-[[4-amino-1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1H-benzimidazol-5-yl]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(2-propenyl carbonate)

Thymidine, 3-[[1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-, 3′-acetate 5′-(2-propenyl carbonate)

Thymidine, 3-[[1-(2-deoxy-β-D-erythro-pentofuranosyl)-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-, 3′-acetate 5′-(2-propenyl carbonate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3-[[1-(2-deoxy-β-D-erythro-pentofuranosyl)-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-, 3′-acetate

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3-[[1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-, 3′-acetate

Thymidine, 3-[[4-amino-1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1H-benzimidazol-5-yl]methyl]-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 3-[[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-, 5′-(4-oxopentanoate) 3′-(2-propenyl carbonate)

Thymidine, 3-[[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-, 3′-acetate 5′-(2-propenyl carbonate)

Thymidine, 3-[[1-(5-O-benzoyl-2-deoxy-β-D-erythro-pentofuranosyl)-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1H-benzimidazol-5-yl]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-acetate