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

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

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

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

2'-C-Ethynyl-6-methylcytidine

Riboflavin 5'-(trihydrogen diphosphate), P'→5'-ester with 1-β-D-ribofuranosyl-1H-benzimidazole

2'-O-Methylcytidylyl-(3'→5')-2'-O-methyluridine

1H-Benzimidazole, 2,5,6-trichloro-1-(3,5-O-phosphinico-β-D-ribofuranosyl)-

1-[5-O-[(1,1-Dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-nitro-1H-benzimidazole

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-[2-[(dimethylamino)oxy]ethyl]-5-methyluridine

2'-O-[2-[(Dimethylamino)oxy]ethyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyluridine

2-Benzimidazolemethanol, 1-D-ribofuranosyl-α-4-thiazolyl-, 2',3',5'-tribenzoate

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-(2-hydroxyethyl)-5-methyluridine