(4,5-Dimethoxy-2-nitrophenyl)methyl 6-[1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-5-hexynoate

6-[1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-5-hexynoic acid

Carbamic acid, [6-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-5-hexynyl]-, (4,5-dimethoxy-2-nitrophenyl)methyl ester

Carbamic acid, [6-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-5-hexynyl]-, (4,5-dimethoxy-2-nitrophenyl)methyl ester

Carbamic acid, [6-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-5-hexynyl]-, (4,5-dimethoxy-2-nitrophenyl)methyl ester

Carbamic acid, [6-[1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-5-hexynyl]-, (4,5-dimethoxy-2-nitrophenyl)methyl ester

5-(6-Amino-1-hexyn-1-yl)-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]uridine

Uridine, 5-(6-azido-1-hexynyl)-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Uridine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[6-[(methylsulfonyl)oxy]-1-hexynyl]-

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-(6-hydroxy-1-hexyn-1-yl)uridine

5′-Adenylic acid, 2′-deoxy-N-(2-hydroxy-3-butenyl)-

5′-Adenylic acid, 2′-deoxy-N-[1-(hydroxymethyl)-2-propenyl]-

1-Deoxy-N-ethyl-1-[6-(7-oxabicyclo[4.1.0]hept-3-ylamino)-9H-purin-9-yl]-β-D-ribofuranuronamide

β-D-Ribofuranuronamide, 1-deoxy-N-ethyl-1-[6-[(3-oxatricyclo[3.2.1.02,4]oct-6-ylmethyl)amino]-9H-purin-9-yl]-

1-[6-[(Bicyclo[2.2.1]hept-5-en-2-ylmethyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-β-D-ribofuranuronamide

β-D-Ribofuranuronamide, 1-deoxy-N-ethyl-1-[6-(3-oxatricyclo[3.2.1.02,4]oct-6-ylamino)-1-oxido-9H-purin-9-yl]-

Adenosine, N-7-oxabicyclo[4.1.0]hept-3-yl-

Adenosine, N-(3-oxatricyclo[3.2.1.02,4]oct-6-ylmethyl)-

Adenosine, N-(bicyclo[2.2.1]hept-5-en-2-ylmethyl)-

1-[5-O-Benzoyl-2-chloro-2-deoxy-3-O-(methylsulfonyl)-β-D-xylofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione