1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-α-D-erythro-pentofuranosyl]-5-(1-propyn-1-yl)-2,4(1H,3H)-pyrimidinedione

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-(1-propyn-1-yl)-4-pyrimidinyl]benzamide

Benzamide, N-[1-[5-O-[bis(4-methoxymethyl)phenylmethyl]-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-α-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-(1-propynyl)-4-pyrimidinyl]-

4-Amino-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-α-D-erythro-pentofuranosyl]-5-(1-propyn-1-yl)-2(1H)-pyrimidinone

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-α-D-erythro-pentofuranosyl]-5-(1-propyn-1-yl)-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-α-D-erythro-pentofuranosyl]-5-(1-propyn-1-yl)-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-α-D-erythro-pentofuranosyl)-5-(1-propyn-1-yl)-2,4(1H,3H)-pyrimidinedione

1-[(2R)-5-[(Benzoyloxy)methyl]tetrahydro-5-methoxy-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-(5-O-benzoyl-2-deoxy-3-O-methylpentofuranosyl)-5-methyl-

5′-Thymidylic acid, 3′-O-(phenylmethyl)-, monomethyl ester

Thymidine, (R)-5′-O-benzoyl-4′-C-[[[2-(2-iodophenyl)-2-methylpropyl]thio]carbonyl]-P-methylthymidylyl-(3′→5′)-3′-O-(phenylmethyl)-

Thymidine, (S)-5′-O-benzoyl-4′-C-[[[2-(2-iodophenyl)-2-methylpropyl]thio]carbonyl]-P-methylthymidylyl-(3′→5′)-3′-O-(phenylmethyl)-

Thymidine, 4′-C-[[[2-(2-iodophenyl)-2-methylpropyl]thio]carbonyl]-, 5′-benzoate 3′-[methyl bis(1-methylethyl)phosphoramidite]

Thymidine, 4′-C-[[[2-(2-iodophenyl)-2-methylpropyl]thio]carbonyl]-, 5′-benzoate

Thymidine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-[[[2-(2-iodophenyl)-2-methylpropyl]thio]carbonyl]-, 5′-benzoate

α-L-threo-Pentofuranuronic acid, 4-C-[(benzoyloxy)methyl]-1,2-dideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-O-[(1,1-dimethylethyl)dimethylsilyl]-, 1,1-dimethylethyl ester

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-(2-methyl-1-oxopropyl)-2′-O-[(methylthio)methyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(methylthio)methyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(methylthio)methyl]-N-(phenoxyacetyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-(2-methyl-1-oxopropyl)-2′-O-[(methylthio)methyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]