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

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′-acetate

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

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

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

Uridine, 2′,3′-bis-O-(phenylmethyl)-5′-O-(triphenylmethyl)-

Uridine, 3′-O-benzyl-2′,5′-di-O-trityl-

Uridine, 5′-O-(3,5-dimethoxybenzyl)-

Uridine, 5′-O-(p-methoxybenzyl)-