5′-O-[(1Z)-1-[(Diethoxyphosphinyl)methyl]-2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethenyl]-2′,3′-O-(1-methylethylidene)uridine

Uridine, 2′-deoxy-2′-[2-(1,1-dimethylethoxy)-2-oxoethylidene]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, (2′E)-

Uridine, 2′-deoxy-2′-[2-(1,1-dimethylethoxy)-2-oxoethylidene]-, (2′E)-

Uridine, 2′-deoxy-2′-[2-(1,1-dimethylethoxy)-2-oxoethylidene]-5′-O-[tris(1-methylethyl)silyl]-, (2′E)-

Uridine, 2′-C-[2-(1,1-dimethylethoxy)-2-oxoethyl]-2′-S-phenyl-2′-thio-5′-O-[tris(1-methylethyl)silyl]-

Uridine, 2′-C-[2-(1,1-dimethylethoxy)-2-oxoethyl]-2′-S-phenyl-2′-thio-

2,4(1H,3H)-Pyrimidinedione, 1-[2-C-[2-(1,1-dimethylethoxy)-2-oxoethyl]-2-S-phenyl-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-thio-β-D-arabinofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[2-C-(2-ethoxy-2-oxoethyl)-2-S-phenyl-2-thio-β-D-arabinofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[2-C-(2-ethoxy-2-oxoethyl)-2-S-phenyl-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-thio-β-D-arabinofuranosyl]-

Uridine, 2′-C-[2-(1,1-dimethylethoxy)-2-oxoethyl]-2′-S-phenyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2′-thio-

Uridine, 2′-C-(2-ethoxy-2-oxoethyl)-2′-S-phenyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2′-thio-

Uridine, 2′-deoxy-2′-[2-(1,1-dimethylethoxy)-2-oxoethylidene]-, (2′Z)-

1-[(4R,6R,6aS)-2,4,6,6a-Tetrahydro-2-oxo-6-[[[tris(1-methylethyl)silyl]oxy]methyl]furo[3,4-b]furan-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[(3aS,4R,6R,6aR)-Hexahydro-2-oxo-3a-(phenylthio)-6-[[[tris(1-methylethyl)silyl]oxy]methyl]furo[3,4-b]furan-4-yl]-2,4(1H,3H)-pyrimidinedione

Uridine, 2′-deoxy-2′-(2-ethoxy-2-oxoethylidene)-5′-O-[tris(1-methylethyl)silyl]-, (2′Z)-

Uridine, 2′-deoxy-2′-(2-ethoxy-2-oxoethylidene)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, (2′Z)-

Uridine, 2′-deoxy-2′-[2-(1,1-dimethylethoxy)-2-oxoethylidene]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, (2′Z)-

9-β-D-Arabinofuranosyl-6-azido-9H-purine

3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-3,4-dihydro-7-hydroxy-11H-benzimidazo[1,2-a]purin-11-one

3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-3,4-dihydro-7-hydroxy-11H-benzimidazo[1,2-a]purin-11-one