3-[2,3-Dideoxy-3-[(diethoxyphosphinyl)difluoromethyl]-5-O-[(1,1-dimethylethyl)diphenylsilyl]-α-D-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Cytidine, uridylyl-(3′→5′)-5-methyl-2′,3′-O-(1-methylethylidene)-

Uridine, 3′-benzeneacetate 5′-formate

Adenosine, 2′,3′-O-(ethoxymethylene)-, 5′-sulfamate

Uridine, 2′,3′-O-(1-methoxy-2-phenylethylidene)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-2-pyridinyl-P-thiothymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-2-pyridinylthymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[3′-O-[bis(4-methoxyphenyl)phenylmethyl]-5′-deoxythymidin-5′-yl]-P-thiothymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-[3′-O-[bis(4-methoxyphenyl)phenylmethyl]-5′-deoxythymidin-5′-yl]thymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-

Uridine, 3-methyl-5′-O-methyl-2′,3′-O-(phenylmethylene)-

N-[(8R,8aR,11aR,12R)-8,8a,11a,12-Tetrahydro-10,10-dimethyl-8,12-epoxy-3H,7H-[1,3]dioxolo[5,6][1,3]diazocino[1,2,3-cd]purin-3-ylidene]acetamide

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-α-(dodecyloxy)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-α-(octyloxy)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-α-(dodecyloxy)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-α-(octyloxy)-

Thymidine, α-(dodecyloxy)-

Thymidine, α-(octyloxy)-

Thymidine, α-(octyloxy)-, 3′,5′-bis(4-methylbenzoate)

Thymidine, α-(dodecyloxy)-, 3′,5′-bis(4-methylbenzoate)

Adenosine, 2′-(O-ethyl carbonothioate)