Thymidylyl-(3'→5')-2'-deoxyadenylyl-(3'→5')-2'-deoxyadenylyl-(3'→5')-2'-deoxycytidylyl-(3'→5')-thymidylyl-(3'→5')-2'-deoxyguanylyl-(3'→5')-2'-deoxyadenylyl-(3'→5')-2',3'-dideoxycytidine

2'-O-Methyluridylyl-(3'→5')-thymidylyl-(3'→5')-thymidylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridine

2'-O-Methyluridylyl-(3'→5')-thymidylyl-(3'→5')-thymidylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridine

Thymidylyl-(3'→5')-thymidylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridylyl-(3'→5')-2'-O-methyluridine

6-Cyano-2-C-methyluridine

Cytidylyl-(3'→5')-cytidylyl-(3'→5')-cytidylyl-(3'→5')-uridylyl-(3'→5')-cytidylyl-(3'→5')-2'-deoxyuridine

L-Alanine, N-phosphono-, (P→5')-ester with 2'-C-methyl-6-O-methylguanosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-S-(1-pyrenylmethyl)-2'-thiouridine

2'-S-(1-Pyrenylmethyl)-2'-thiouridine

3'-O-[(1,1-Dimethylethyl)dimethylsilyl]-2'-C-hydroxy-2'-O-methyluridine

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

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2'-deoxy-4-O-methyluridine

3'-Deoxy-3'-[[N-[(9H-fluoren-9-ylmethoxy)carbonyl]-O-methyl-L-tyrosylglycyl]amino]-N,N-dimethyladenosine

N-[(1S)-2-Amino-1-(hydroxymethyl)-2-oxoethyl]-2-chloroadenosine

2'-O-[(1,1-Dimethylethyl)dimethylsilyl]-2'-C-methyladenosine

3',5'-O-[Bis(1,1-dimethylethyl)silylene]-2'-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-C-methyladenosine

L-Alanine, N-phosphono-, 1-(1-methylethyl) ester, cyclic (P→3',5')-ester with 3'-O-(hydroxymethyl)-2'-C-methyladenosine

L-Alanine, N-phosphono-, 1-(1-methylethyl) ester, cyclic (P→3',5')-ester with 3'-O-[(hydroxymethoxy)carbonyl]-2'-C-methyladenosine

L-Alanine, N-phosphono-, 1-(1-methylethyl) ester, cyclic (P→3',5')-ester with 2'-O-[(1,1-dimethylethyl)dimethylsilyl]-3'-O-(hydroxymethyl)-2'-C-methyladenosine

L-Alanine, N-phosphono-, 1-(1-methylethyl) ester, cyclic (P→3',5')-ester with (2'R)-2'-deoxy-2'-fluoro-3'-O-(hydroxymethyl)-2'-methyluridine