Methyl 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinepropanoate

Uridine, 5-(3-amino-3-oxopropyl)-2′-deoxy-

Methyl 1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinepropanoate

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-[3-[[(1,1-dimethylethyl)diphenylsilyl]oxy]propyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-[3-[[(1,1-dimethylethyl)diphenylsilyl]oxy]propyl]uridine

2′-Deoxy-5-[3-[[(1,1-dimethylethyl)diphenylsilyl]oxy]propyl]uridine

Uridine, 2′-deoxy-5-[3-[[(1,1-dimethylethyl)diphenylsilyl]oxy]propyl]-, 3′,5′-bis(4-methylbenzoate)

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]uridine

Uridine, 2′-deoxy-5-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]-, 3′,5′-bis(4-methylbenzoate)

7H-Pyrrolo[2,3-d]pyrimidine, 4-chloro-7-[(2R)-3,5-di-O-benzoyl-2-deoxy-2-fluoro-2-methyl-α-D-erythro-pentofuranosyl]-5-fluoro-

4-Chloro-7-[(2R)-3,5-di-O-benzoyl-2-deoxy-2-fluoro-2-methyl-β-D-erythro-pentofuranosyl]-5-fluoro-7H-pyrrolo[2,3-d]pyrimidine

9H-Purine, 9-[(2R)-3,5-di-O-benzoyl-2-deoxy-2-fluoro-2-methyl-α-D-erythro-pentofuranosyl]-6-(3-thienyl)-

9H-Purine, 9-[(2R)-3,5-di-O-benzoyl-2-deoxy-2-fluoro-2-methyl-β-D-erythro-pentofuranosyl]-6-(3-thienyl)-

9H-Purine, 9-[(2R)-2-deoxy-2-fluoro-2-methyl-β-D-erythro-pentofuranosyl]-6-(3-thienyl)-

Adenosine, 2-chloro-, 5′-benzoate

(2S)-2-Amino-N-(1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)-3-methylbutanamide

Carbamic acid, [(1S)-1-[[(1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)amino]carbonyl]-2-methylpropyl]-, 1,1-dimethylethyl ester

Carbamic acid, [(1S)-1-[[[1,2-dihydro-2-oxo-1-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-arabinofuranosyl]-4-pyrimidinyl]amino]carbonyl]-2-methylpropyl]-, 1,1-dimethylethyl ester

2,4(1H,3H)-Pyrimidinedione, 5-bromo-1-(2,3,5-tri-O-acetyl-1-C-fluoro-α-D-ribofuranosyl)-