2,4(1H,3H)-Pyrimidinedione, 1-[3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O,3-C-methylene-β-D-arabinofuranosyl]-5-methyl-

1-[(1R,2R,4R,5S)-1-Hydroxy-2-(hydroxymethyl)-3,6-dioxabicyclo[3.2.0]hept-4-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[3-C-(Hydroxymethyl)-3,5-bis-O-(phenylmethyl)-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine, 3′-C-ethenyl-5-methyl-3′,5′-bis-O-(phenylmethyl)-

N-[[[9-[5-O-[(1,1-Dimethylethyl)dimethylsilyl]-2,3-O-(methoxymethylene)-β-D-ribofuranosyl]-9H-purin-6-yl]amino]carbonyl]-O-(tetrahydro-2H-pyran-2-yl)-L-threonine methyl ester

N-[[[9-[2,3-O-(Methoxymethylene)-β-D-ribofuranosyl]-9H-purin-6-yl]amino]carbonyl]-O-(tetrahydro-2H-pyran-2-yl)-L-threonine methyl ester

N-[[[9-[5-O-[(1,1-Dimethylethyl)dimethylsilyl]-2,3-O-(methoxymethylene)-β-D-ribofuranosyl]-9H-purin-6-yl]amino]carbonyl]-L-threonine methyl ester

Adenosine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(methoxymethylene)-N-(phenoxycarbonyl)-

Adenosine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(methoxymethylene)-

Adenosine, N-benzoyl-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(methoxymethylene)-

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[(2R,4aR,5aR,8aR,8bS)-hexahydro-7,7-dimethyl-3-(1-methylethyl)-2-sulfido-2H-[1,3]dioxolo[4,5]furo[2,3-e]-1,3,2-oxazaphosphorin-2-yl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[(2S,4aR,5aR,8aR,8bS)-hexahydro-7,7-dimethyl-3-(1-methylethyl)-2H-[1,3]dioxolo[4,5]furo[2,3-e]-1,3,2-oxazaphosphorin-2-yl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[(2′R,4′aR,5′aR,8′aR,8′bS)-hexahydro-3′-(1-methylethyl)-2′-sulfidospiro[cyclopentane-1,7′-[2H][1,3]dioxolo[4,5]furo[2,3-e][1,3,2]oxazaphosphorin]-2′-yl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[(2′S,4′aR,5′aR,8′aR,8′bS)-hexahydro-3′-(1-methylethyl)-2′-sulfidospiro[cyclopentane-1,7′-[2H][1,3]dioxolo[4,5]furo[2,3-e][1,3,2]oxazaphosphorin]-2′-yl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[(2′R,4′aR,5′aR,8′aR,8′bS)-hexahydro-3′-(1-methylethyl)spiro[cyclopentane-1,7′-[2H][1,3]dioxolo[4,5]furo[2,3-e][1,3,2]oxazaphosphorin]-2′-yl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4′-C,3′-O-methylene-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

3′-Thymidylic acid, mono(5-bromo-4-chloro-1H-indol-3-yl) ester

5′-Thymidylic acid, mono(5-bromo-4-chloroindol-3-yl) ester

N-[(2′R)-2′-Chloro-2′-deoxy-2′-methyl-P-phenyl-5′-uridylyl]-D-alanine propyl ester

2-[5-O-Acetyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4,5-dihydro-5-thioxo-1,2,4-triazin-3(2H)-one