1-[3-Azido-5-O-[bis[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinyl]-2,3-dideoxy-β-L-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(5-O-Benzoyl-2,3-dideoxy-2-fluoro-β-L-threo-pentofuranosyl)-5-fluoro-3,4-dihydro-4-thioxo-2(1H)-pyrimidinone

1-(5-O-Benzoyl-2,3-dideoxy-2-fluoro-β-L-threo-pentofuranosyl)-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-(5-O-Benzoyl-2,3-dideoxy-2-fluoro-β-L-threo-pentofuranosyl)-5-fluoro-3-[(4-methoxyphenyl)methyl]-2,4(1H,3H)-pyrimidinedione

1-(5-O-Benzoyl-3-deoxy-β-L-erythro-pentofuranosyl)-5-fluoro-3-[(4-methoxyphenyl)methyl]-2,4(1H,3H)-pyrimidinedione

4-Amino-1-(2,3-dideoxy-2-fluoro-β-L-threo-pentofuranosyl)-5-fluoro-2(1H)-pyrimidinone

1-[3-Azido-2,3-dideoxy-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-L-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Propanethioic acid, 2,2-dimethyl-, S,S′-[[[[(2R,5S)-5-(6-amino-9H-purin-9-yl)tetrahydro-2-furanyl]methoxy]phosphinylidene]bis(oxy-2,1-ethanediyl)] ester

Adenosine, 2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-oxo-

2,2,2-Trifluoroethyl 4-(acetylamino)-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinecarboxylate

2,2,2-Trifluoroethyl 4-(acetylamino)-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinecarboxylate

2,2,2-Trifluoroethyl 4-amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-5-pyrimidinecarboxylate

2,2,2-Trifluoroethyl 4-(acetylamino)-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-5-pyrimidinecarboxylate

N-(1-β-D-Arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)-4-[(1-oxo-2-propen-1-yl)amino]butanamide

N-[3-[(1-β-D-Arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)amino]-3-oxopropyl]-2-propenamide

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-[[6-[bis(4-methoxyphenyl)phenylmethoxy]hexyl]carbamate]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-

Guanosine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-

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

Glycine, N-(carboxycarbonyl)-N-methyl-, N→3′-ester with 5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidine