5'-Guanylic acid, 7-methyl-2'-O-methyl-, mono[2-[2-(phosphonooxy)ethoxy]ethyl] ester, 5'-ester with 7-methylguanosine, bis(inner salt)

L-Valine, 5'-ester with 3'-[[(2S)-2-amino-3-methyl-1-oxobutoxy]methyl]-N-[(2S)-2-amino-3-methyl-1-oxobutyl]-2',3'-dideoxycytidine

L-Phenylalanine, 5'-ester with 3'-[[(2S)-2-amino-1-oxo-3-phenylpropoxy]methyl]-2',3'-dideoxycytidine

Adenosine 5'-(trihydrogen diphosphate), 3'-(dihydrogen phosphate), P'→3'-ester with 2'-deoxyuridine

5'-Guanylic acid, 2'-O-(2-methoxyethyl)-7-methyl-, mono[2,3-bis(phosphonooxy)propyl] ester, 5'-ester with 7-methylguanosine, bis(inner salt)

L-Phenylalanine, 5'-ester with 3'-[[(2S)-2-amino-1-oxo-3-phenylpropoxy]methyl]-N-[(2S)-2-amino-1-oxo-3-phenylpropyl]-2',3'-dideoxycytidine

2'-Deoxy-N-(3,5-di-O-acetyl-2-deoxy-α-D-erythro-pentofuranosyl)-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methylcytidine

2'-Deoxy-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methylcytidine

Adenosine 5'-(trihydrogen diphosphate), 2'-(dihydrogen phosphate), P'→3'-ester with 2'-deoxyuridine

N-Benzoyl-2'-deoxy-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methylcytidine

2'-Deoxy-N-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methylcytidine

N-Benzoyl-2'-deoxy-3'-O-(3,5-di-O-acetyl-2-deoxy-α-D-erythro-pentofuranosyl)-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methylcytidine

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-1H-benzimidazole

N-Benzoyl-2'-deoxy-3'-O-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methylcytidine

N-Benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-3'-O-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-2'-deoxy-5-methylcytidine

2'-Deoxy-3'-O-(2-deoxy-α-D-erythro-pentofuranosyl)-5-methylcytidine

2'-Deoxy-3'-O-(2-deoxy-β-D-erythro-pentofuranosyl)-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methylcytidine

2'-Deoxy-3'-O-(2-deoxy-α-D-erythro-pentofuranosyl)-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methylcytidine

3'-Amino-5'-azido-3',5'-dideoxythymidine

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-1H-benzimidazole