5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-8-(1,10-phenanthrolin-2-ylethynyl)adenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-8-([2,2′-bipyridin]-6-ylethynyl)-2′-deoxyadenosine

1-[(2R,4S,5S)-4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]tetrahydro-5-(2-oxido-5-oxo-1,2-dithiolan-3-yl)-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,3R,4S,5S)-Tetrahydro-3,4-dihydroxy-5-(2-oxido-5-oxo-1,2-dithiolan-3-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,3R,4R,5S)-3,4-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]tetrahydro-5-(2-oxido-5-oxo-1,2-dithiolan-3-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

S-Phenyl (2E)-3-[(2R,3S,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]tetrahydro-2-furanyl]-2-propenethioate

1-[(2R,3R,4S,5S)-Tetrahydro-3,4-dihydroxy-5-(5-oxo-1,2-dithiolan-3-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,3R,4R,5S)-3,4-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]tetrahydro-5-(5-oxo-1,2-dithiolan-3-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

β-D-ribo-Hept-5-enofuranuronothioic acid, 1,5,6-trideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-2,3-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-, S-phenyl ester, (5E)-

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-3-iodo-5-nitro-1H-indole

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-5-nitro-1H-indole

N-[3-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,7-dihydro-5-iodo-

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-5-bromo-1,7-dihydro-

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-5-chloro-1,7-dihydro-

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-5-fluoro-1,7-dihydro-

N-[3-[7-(2-Deoxy-β-D-erythro-pentofuranosyl)-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

Guanosine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-8-ethenyl-2′,3′-O-(1-methylethylidene)-N-4-pentenyl-

Guanosine, 8-bromo-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(1-methylethylidene)-N-4-pentenyl-

8-Bromo-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(1-methylethylidene)guanosine