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

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

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

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

Guanosine 5'-(tetrahydrogen triphosphate), 7-methyl-, inner salt, P''-anhydride with 5'-thioguanosine

2'-O-Methyl-P-thiocytidylyl-(3'→5')-2'-O-methyl-P-thiocytidylyl-(3'→5')-2'-O-methyluridine

[P(R)]-2'-Deoxy-P-thioguanylyl-(3'→5')-2'-deoxy-N-methyladenosine

Uridine 5'-(pentahydrogen tetraphosphate), 4-thio-, P'''→5'-ester with 4-thiouridine

1H-Benzimidazole, 2-(2-furanyl)-1-ribofuranosyl-

5'-Deoxy-5'-(1,8-diazaspiro[4.5]dec-1-yl)-2'-C-methyladenosine

Guanosine 5'-(trihydrogen diphosphate), P'→5'-ester with 7-methyl-5'-thioguanosine, inner salt

N-Benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-3'-O-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-2'-deoxy-5-methylcytidine