5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-[(1S,2R)-2-methoxy-1-methylpropyl]-5-methyluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-[(1R,2S)-2-methoxy-1-methylpropyl]-5-methyluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-[(1S,2S)-2-methoxy-1-methylpropyl]-5-methyluridine

5'-O-[(1,1-Dimethylethyl)dimethylsilyl]-2',3'-O-(methoxymethylene)-2'-C-methyladenosine

2',3'-O-(Methoxymethylene)-2'-C-methyladenosine

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

N-[Bis(4-methoxyphenyl)phenylmethyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-[(1,1-dimethylethyl)dimethylsilyl]-3'-O-methyladenosine

2'-O-[(1,1-Dimethylethyl)dimethylsilyl]-3'-O-methyladenosine

N-Benzoyl-2'-O-[(1,1-dimethylethyl)dimethylsilyl]-3'-O-methyladenosine

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

5-[2-[4-[2-[4-[15-[3,5-Bis(1,1-dimethylethyl)phenyl]-2,8,12,18-tetraethyl-3,7,13,17-tetramethyl-21H,23H-porphin-5-yl]phenyl]ethynyl]phenyl]ethynyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

5-[2-[4-[2-[4-[2-[4-[15-[3,5-Bis(1,1-dimethylethyl)phenyl]-2,8,12,18-tetraethyl-3,7,13,17-tetramethyl-21H,23H-porphin-5-yl]phenyl]ethynyl]phenyl]ethynyl]phenyl]ethynyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

L-Lysine, N2,N6-bis[(1,1-dimethylethoxy)carbonyl]-, 5'-ester with 2'-deoxyuridine

2'-Deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-methyluridine

2'-Deoxy-3'-O-ethyl-5-methylcytidine

2',3'-Dideoxy-2',2'-difluoro-5-methyluridine

2'-O-[6-[[(2S)-2-Amino-2-methyl-1-oxo-8-nonyn-1-yl]amino]hexyl]-5-methyluridine

3'-O-(6-Aminohexyl)-5-methyluridine

2'-O-(6-Aminohexyl)-5-methyluridine

3'-O-(8-Aminooctyl)-N-benzoyladenosine