1-Deoxy-N-ethyl-2,3-O-(1-methylethylidene)-1-[6-[[4-[(7-nitro-2,1,3-benzoxadiazol-4-yl)amino]butyl]amino]-9H-purin-9-yl]-β-D-ribofuranuronamide

1-Deoxy-N-ethyl-2,3-O-(1-methylethylidene)-1-[6-[[2-[(7-nitro-2,1,3-benzoxadiazol-4-yl)amino]ethyl]amino]-9H-purin-9-yl]-β-D-ribofuranuronamide

1-[6-[(10-Aminodecyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-[6-[(8-Aminooctyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-[6-[(6-Aminohexyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-[6-[(4-Aminobutyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-[6-[(2-Aminoethyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

Carbamic acid, [10-[[9-[N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamidosyl]-9H-purin-6-yl]amino]decyl]-, 1,1-dimethylethyl ester

Carbamic acid, [8-[[9-[N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamidosyl]-9H-purin-6-yl]amino]octyl]-, 1,1-dimethylethyl ester

Carbamic acid, [6-[[9-[N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamidosyl]-9H-purin-6-yl]amino]hexyl]-, 1,1-dimethylethyl ester

Carbamic acid, [4-[[9-[N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamidosyl]-9H-purin-6-yl]amino]butyl]-, 1,1-dimethylethyl ester

Guanosine, N-[(dimethylamino)methylene]-1-(phenylmethyl)-2′,3′-O-(phenylmethylene)-, 5′,5′′′-[P,P′-bis(phenylmethyl) [[(phenylmethoxy)phosphinylidene]bis(methylene)]bis[phosphonate]]

5′-Guanylic acid, 6-seleno-

β-D-Ribofuranuronic acid, 1-deoxy-1-[5-fluoro-4-[[(hexyloxy)carbonyl]amino]-2-oxo-1(2H)-pyrimidinyl]-, ethyl ester

Carbamic acid, [2-[[9-[N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamidosyl]-9H-purin-6-yl]amino]ethyl]-, 1,1-dimethylethyl ester

1-Deoxy-1-[5-fluoro-2-oxo-4-[[(2-propen-1-yloxy)carbonyl]amino]-1(2H)-pyrimidinyl]-β-D-ribofuranuronic acid

1-Deoxy-1-[5-fluoro-4-[[(heptyloxy)carbonyl]amino]-2-oxo-1(2H)-pyrimidinyl]-β-D-ribofuranuronic acid

1-Deoxy-1-[5-fluoro-2-oxo-4-[[(pentyloxy)carbonyl]amino]-1(2H)-pyrimidinyl]-β-D-ribofuranuronic acid

1-[4-[(Butoxycarbonyl)amino]-5-fluoro-2-oxo-1(2H)-pyrimidinyl]-1-deoxy-β-D-ribofuranuronic acid

1-Deoxy-1-[5-fluoro-2-oxo-4-[(propoxycarbonyl)amino]-1(2H)-pyrimidinyl]-β-D-ribofuranuronic acid