Thymidine, 3′-azido-3′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3-(2-propenyl)-

Thymidine, 3′-azido-3′-deoxy-3-[2-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)ethyl]-

Thymidine, 3′-azido-3′-deoxy-3-[2-(4-methoxy-5-methyl-2-oxo-1(2H)-pyrimidinyl)ethyl]-

Thymidine, 3′-azido-3′-deoxy-3-(3-furanylmethyl)-

Thymidine, 3′-azido-3′-deoxy-3-(2,2-diethoxyethyl)-

Thymidine, 3′-azido-3′-deoxy-3-[(2,2-dimethyl-1,3-dioxolan-4-yl)methyl]-

Phosphonic acid, [[3-(3-azido-2,3-dideoxy-β-D-erythro-pentofuranosyl)-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]methyl]-, diethyl ester

Thymidine, 3′-azido-3′-deoxy-3-[[4,5-dihydro-3-(hydroxymethyl)-5-isoxazolyl]methyl]-

Thymidine, 3,3′′-(1,2-ethanediyl)bis[3′-azido-3′-deoxy-

Thymidine, 3′-azido-3-(2-bromoethyl)-3′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 3′-azido-3-(2-azidoethyl)-3′-deoxy-

Thymidine, 3′-azido-3′-deoxy-3-[(2-methoxyethoxy)methyl]-

Thymidine, 3′-azido-3-(2-bromoethyl)-3′-deoxy-

Thymidine, 3′-[3-[3-azido-2,3-dideoxy-5-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-β-D-erythro-pentofuranosyl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-3′-deoxy-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-

Thymidine, 3′-azido-3′-deoxy-3-(6-hydroxyhexyl)-

Thymidine, 3′-azido-3′-deoxy-3-(3-hydroxypropyl)-

Adenosine, 3-benzoyl-2′-O-[bis(2-cyano-1,1-dimethylethoxy)phosphinothioyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)uridylyl-(3′→5′)-N,N-dibenzoyl-, 2′,3′-dibenzoate

Uridine, 3′-O-[bis(2-cyanoethoxy)phosphinyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]uridylyl-(2′→5′)-3-benzoyl-, 2′,3′-dibenzoate

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]uridylyl-(2′→5′)-3-benzoyl-, 2′,3′-dibenzoate

Uridine, 3′-O-phosphonouridylyl-(2′→5′)-