5,6-Dichloro-1-β-D-xylofuranosyl-1H-benzimidazole

5,6-Dichloro-1-α-D-lyxofuranosyl-1H-benzimidazole

2'-Deoxy-5,6-dihydro-5,6-dihydroxy-5-methylcytidine

5,6-Dichloro-1-β-D-lyxofuranosyl-1H-benzimidazole

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-4,5,6,7-tetraiodo-1H-benzimidazole

4,7-Dibromo-5,6-dichloro-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-benzimidazole

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-N-[(dimethylamino)methylene]-1-methylguanosine

2'-Deoxy-N-[(dimethylamino)methylene]-1-methylguanosine

4,5,6,7-Tetrabromo-1-β-D-ribofuranosyl-1H-benzimidazole

2'-Deoxy-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-1-methyladenosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-1-methyladenosine

5-(Azidomethyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-[(1,1-dimethylethyl)dimethylsilyl]-2-thiouridine

5,6-Dimethyl-1-[2,3,5-tris-O-(phenylmethyl)-α-D-ribofuranosyl]-1H-benzimidazole

5-(Azidomethyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2-thiouridine

5-(Azidomethyl)-2-thiouridine

2',3'-O-Propylidene-5-(1-pyrrolidinylmethyl)-2-thiouridine

5-(Aminomethyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-2-thiouridine

5-(Aminomethyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-[(1,1-dimethylethyl)dimethylsilyl]-2-thiouridine

2',3',5'-Tris-O-[(1,1-dimethylethyl)dimethylsilyl]-2,4-dithiouridine

2',3',5'-Tris-O-[(1,1-dimethylethyl)dimethylsilyl]-4-thiouridine