(2′S)-2′-Bromo-2′-deoxy-2′-fluoro-N,N-bis[(1,1-dimethylethoxy)carbonyl]-3′,5′-bis-O-[(1,1-dimethylethyl)diphenylsilyl]adenosine

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with (2′S)-2′-bromo-2′-deoxy-2′-fluorocytidine

L-Alanine, N-[(R)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with (2′S)-2′-bromo-2′-deoxy-2′-fluorocytidine

(2′S)-N-Benzoyl-2′-bromo-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-fluorocytidine

1,3-Bis(1,1-dimethylethyl) 2-[9-[(2S)-2-bromo-2-deoxy-2-fluoro-α-D-erythro-pentofuranosyl]-9H-purin-6-yl]imidodicarbonate

N-[1-[(2S)-2-Bromo-2-deoxy-2-fluoro-α-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

2′-Deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidine

N-[3-(3-Deoxy-β-D-erythro-pentofuranosyl)-6,7-dihydro-7-oxo-3H-1,2,3-triazolo[4,5-d]pyrimidin-5-yl]-2-methylpropanamide

5-Amino-3-(2,5-di-O-acetyl-3-deoxy-β-D-erythro-pentofuranosyl)-3,6-dihydro-7H-1,2,3-triazolo[4,5-d]pyrimidin-7-one

6-Methyl-2-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,2,4-triazine-3,5(2H,4H)-dione

Nicotinic acid, 1,6-dihydro-4-hydroxy-6-oxo-1-β-D-ribofuranosyl-, ethyl ester

Nicotinic acid, 1,6-dihydro-4-hydroxy-6-oxo-1-β-D-ribofuranosyl-, ethyl ester, 2′,3′,5′-tribenzoate

9H-Purine-6(1H)-thione, 9-β-D-arabinofuranosyl-, 2′,3′-diacetate

9H-Purine-6(1H)-thione, 9-(5-O-trityl-β-D-arabinofuranosyl)-, 2′,3′-diacetate

9H-Purine-6(1H)-thione, 9-(5-O-trityl-β-D-arabinofuranosyl)-