4-Chloro-5-[4-(9-β-D-ribofuranosyl-9H-purin-6-yl)-1-piperazinyl]-3(2H)-pyridazinone

5-[4-(9-β-D-Ribofuranosyl-9H-purin-6-yl)-1-piperazinyl]-3(2H)-pyridazinone

6-[4-(9-β-D-Ribofuranosyl-9H-purin-6-yl)-1-piperazinyl]-3(2H)-pyridazinone

Thymidine, 3′-deoxy-5′-O-(phenylmethyl)-3′-[5-[1,2,3,4-tetrahydro-2,4-dioxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-5-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-

Thymidine, 3′-deoxy-5′-O-(phenylmethyl)-3′-[4-[1,2,3,4-tetrahydro-2,4-dioxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-5-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-

Thymidine, 3′-deoxy-3′-[5-[3,6-dihydro-2,6-dioxo-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1(2H)-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-5′-O-(phenylmethyl)-

Thymidine, 3′-deoxy-3′-[4-[3,6-dihydro-2,6-dioxo-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1(2H)-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-5′-O-(phenylmethyl)-

Thymidine, 3′-deoxy-3′-[5-[3-[2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-3,6-dihydro-2,6-dioxo-1(2H)-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-5′-O-(phenylmethyl)-

Thymidine, 3′-deoxy-3′-[4-[3-[2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-3,6-dihydro-2,6-dioxo-1(2H)-pyrimidinyl]-1H-1,2,3-triazol-1-yl]-5′-O-(phenylmethyl)-

Uridine, 5-(2-propynyl)-, 2′,3′,5′-triacetate

Uridine, 3-(2-propyn-1-yl)-, 2′,3′,5′-triacetate

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-3-(2-propynyl)-

(2R,3R,5R)-2,3-Dihydro-8-methyl-3-[(phenylmethoxy)methyl]-2,5-methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepin-9-one

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[2-[(1,1-dimethylethyl)dithio]ethyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[2-[(1,1-dimethylethyl)dithio]ethyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-4-O-(4-nitrophenyl)-

2′-Deoxy-N-[2-[(1,1-dimethylethyl)dithio]ethyl]cytidine

Uridine, 5-[[4-(2-benzoxazolyl)phenyl]ethynyl]-2′-deoxy-, 3′,5′-diacetate

Uridine, 2′-deoxy-5-(3-perylenylethynyl)-, 3′,5′-diacetate

Uridine, 2′-deoxy-5-[4-(1-pyrenyl)-1,3-butadiynyl]-, 3′,5′-diacetate