5'-Deoxy-2'-C-ethynyl-5'-iodouridine

[P(S)]-P-Methylthymidylyl-(3'→5')-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-N,5-dimethylcytidine

2'-Deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-N,5-dimethylcytidine

2'-Deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-methyladenosine

2'-C-Ethynyl-4-O-methyluridine

4'-C-Azido-5'-deoxy-2'-C-ethynyl-5'-iodouridine

(5S,6S)-[5,5'':6,6''-Dicyclo]-(5S,6S)-5,6-dihydro-P-methylthymidylyl-(3'→5')-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5,6-dihydro-N,5-dimethylcytidine

(5S,6S)-[5,5'':6,6''-Dicyclo]-(5R,6R)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-5,6-dihydro-P-methylthymidylyl-(3'→5')-2'-deoxy-5,6-dihydro-N,5-dimethylcytidine

(5S,6S)-[5,5'':6,6''-Dicyclo]-(5R,6R)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-5,6-dihydro-P-methylthymidylyl-(3'→5')-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5,6-dihydro-N,5-dimethylcytidine

(5S,6S)-[5,5'':6,6''-Dicyclo]-[P(S),5R,6R]-5,6-dihydro-P-methylthymidylyl-(3'→5')-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5,6-dihydro-N,5-dimethylcytidine

[P(R)]-P-Methylthymidylyl-(3'→5')-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-N,5-dimethylcytidine

(5S,6S)-[5,5'':6,6''-Dicyclo]-(5R,6R)-5,6-dihydrothymidylyl-(3'→5')-2'-deoxy-5,6-dihydro-N,5-dimethylcytidine

Iso-ADP ribose

(5S,6S)-[5,5'':6,6''-Dicyclo]-[P(R),5R,6R]-5,6-dihydro-P-methylthymidylyl-(3'→5')-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5,6-dihydro-N,5-dimethylcytidine

3'-Deoxy-2'-O-[(hydroxymethoxyphosphinyl)methyl]-5-methyluridine

3',5'-Bis-O-[bis(4-methoxyphenyl)phenylmethyl]-5-methyluridine

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

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-deoxy-2'-O-[2-(diethoxyphosphinyl)ethyl]-5-methyluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-deoxy-2'-O-[(2R)-2-(diethoxyphosphinyl)-2-hydroxyethyl]-5-methyluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-deoxy-2'-O-(2,3-dihydroxypropyl)-5-methyluridine