N′-[8-(3-O-Acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-4,8-dihydro-4-oxoimidazo[1,2-a]-1,3,5-triazin-2-yl]-N,N-dibutylmethanimidamide

2-Amino-8-[2-deoxy-5-O-(hydroxy-1H-imidazol-1-ylphosphinyl)-β-D-erythro-pentofuranosyl]imidazo[1,2-a]-1,3,5-triazin-4(8H)-one

β-D-ribo-Decofuranuronic acid, 1-(6-amino-9H-purin-9-yl)-1,5,6,7,8,9-hexadeoxy-2,3-O-(1-methylethylidene)-9-[(phenylmethylene)amino]-6-[4-phenyl-4-[(tetrahydro-2H-pyran-2-yl)oxy]-1-butynyl]-, 2-(trimethylsilyl)ethyl ester, (6ξ,9ξ)-

β-D-ribo-Decofuranuronic acid, 9-amino-1-(6-amino-9H-purin-9-yl)-1,5,6,7,8,9-hexadeoxy-2,3-O-(1-methylethylidene)-6-[4-phenyl-4-[(tetrahydro-2H-pyran-2-yl)oxy]-1-butynyl]-, 2-(trimethylsilyl)ethyl ester, (6ξ,9ξ)-

9-[(3aR,4R,6R,6aR)-Tetrahydro-6-[2-(2-iodoethyl)-6-phenyl-6-[(tetrahydro-2H-pyran-2-yl)oxy]-3-hexyn-1-yl]-2,2-dimethylfuro[3,4-d]-1,3-dioxol-4-yl]-9H-purin-6-amine

L-Phenylalanine, N-[(phenylmethoxy)carbonyl]-L-alanyl-, 5′-ester with thymidine

L-Isoleucine, N-[(1,1-dimethylethoxy)carbonyl]-, 3′-ester with thymidine

L-Phenylalanine, N-[(phenylmethoxy)carbonyl]-, 5′-ester with thymidine

Thymidine, 3′-benzeneacetate

Adenosine, 3′-deoxy-, 2′-(4-methylbenzenesulfonate)

L-Isoleucine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with thymidine

Adenosine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 2′-(4-methylbenzenesulfonate)

Adenosine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-S-methyl-2′-thio-, 3′-(O-phenyl carbonothioate)

9H-Purin-6-amine, 9-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-2-S-methyl-3-O-(phenoxythioxomethyl)-2-thio-β-D-arabinofuranosyl]-

9-[2-Azido-2-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-(phenoxythioxomethyl)-β-D-arabinofuranosyl]-9H-purin-6-amine

9-[2-Chloro-2-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-(phenoxythioxomethyl)-β-D-arabinofuranosyl]-9H-purin-6-amine

Adenosine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 2′-(4-methylbenzenesulfonate) 3′-(O-phenyl carbonothioate)

Adenosine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 2′-methanesulfonate 3′-(O-phenyl carbonothioate)

Adenosine, 2′-azido-2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-(O-phenyl carbonothioate)