1-[9-[2-Deoxy-5-O-(dichlorophosphinyl)-β-D-erythro-pentofuranosyl]-2-[(2,2,2-trifluoroacetyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-[2,3-Di-O-acetyl-5-O-(4,6-dihydroxy-2,4,6-trioxido-1,3,5,2,4,6-trioxatriphosphorinan-2-yl)-β-D-ribofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-[2,3-Di-O-acetyl-5-O-(4,6-dihydroxy-4,6-dioxido-1,3,5,2,4,6-trioxatriphosphorinan-2-yl)-β-D-ribofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-[2,3-Di-O-acetyl-5-O-(4-oxo-4H-1,3,2-benzodioxaphosphorin-2-yl)-β-D-ribofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-(2,3-Di-O-acetyl-β-D-ribofuranosyl)-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-[2,3-Di-O-acetyl-5-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-ribofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[2-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[2-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[2-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-9H-purin-6-yl]-3,5-diphenyl-4(1H)-pyridinone

1-[2-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-3,5-diphenyl-4(1H)-pyridinone

1-[2-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-9H-purin-6-yl]-3,5-dimethyl-4(1H)-pyridinone

1-[2-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-3,5-dimethyl-4(1H)-pyridinone

1-[2-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-9H-purin-6-yl]-4(1H)-pyridinone

1-[2-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-4(1H)-pyridinone

1-[9-(2,3,5-Tri-O-acetyl-β-D-ribofuranosyl)-9H-purin-6-yl]-4(1H)-pyridinone

5′-Deoxy-5′-[[2-[[4-(1,1-dimethylethyl)cyclohexyl]amino]ethyl]methylamino]adenosine

L-Homocysteine, N-[(1,1-dimethylethoxy)carbonyl]-, methyl ester, thioether with 2′,3′-O-(1-methylethylidene)-5′-thioadenosine

5′-S-[(3R)-3-[[(1,1-Dimethylethoxy)carbonyl]amino]-4-hydroxybutyl]-2′,3′-O-(1-methylethylidene)-5′-thioadenosine

5′-S-[(3S)-3-[[(1,1-Dimethylethoxy)carbonyl]amino]-4-hydroxybutyl]-2′,3′-O-(1-methylethylidene)-5′-thioadenosine

D-Homocysteine, N-[(1,1-dimethylethoxy)carbonyl]-, methyl ester, thioether with 2′,3′-O-(1-methylethylidene)-5′-thioadenosine