1,1-Dimethylethyl 4-[2-[[[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]carbonyl]amino]ethyl]-1H-imidazole-1-carboxylate

Thymidine, [P(S)]-P(O)-[[(2S)-1-acetyl-2-pyrrolidinyl]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(dimethylamino)methylene]-P-thioguanylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, [P(R)]-P(O)-[[(2R)-1-acetyl-2-pyrrolidinyl]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(dimethylamino)methylene]-P-thioguanylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, [P(S)]-P(O)-[[(2S)-1-acetyl-2-pyrrolidinyl]methyl]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-thiocytidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, [P(R)]-P(O)-[[(2R)-1-acetyl-2-pyrrolidinyl]methyl]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-thiocytidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, [P(S)]-P(O)-[[(2S)-1-acetyl-2-pyrrolidinyl]methyl]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-thioadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, [P(R)]-P(O)-[[(2R)-1-acetyl-2-pyrrolidinyl]methyl]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-thioadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(dimethylamino)methylene]-3′-O-[(3aS)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(dimethylamino)methylene]-3′-O-[(3aR)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3aS)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3aR)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3aS)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3aR)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Thymidine, [P(S)]-P(O)-[[(2S)-1-acetyl-2-pyrrolidinyl]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-thiothymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, [P(R)]-P(O)-[[(2R)-1-acetyl-2-pyrrolidinyl]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-thiothymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

9-(5-Deoxy-2-C-methyl-α-L-lyxofuranosyl)-1,9-dihydro-6H-purin-6-one

2-Chloro-9-(5-deoxy-2-C-methyl-α-L-lyxofuranosyl)-9H-purin-6-amine

2,6-Dichloro-9-(2,3-di-O-acetyl-5-deoxy-2-C-methyl-α-L-lyxofuranosyl)-9H-purine

9-(2,3-Di-O-acetyl-5-deoxy-2-C-methyl-α-L-lyxofuranosyl)-1,9-dihydro-6H-purin-6-one

(2R,3R,3aS,8aR)-2-(2-Amino-1,6-dihydro-6-oxo-9H-purin-9-yl)-3,3a,4,7,8,8a-hexahydro-3-hydroxy-2H-cyclobuta[b]furo[3,2-e][1,4]diazepine-5,6-dione