Acetic acid, [[9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-2-[(phenylacetyl)amino]-9H-purin-6-yl]oxy]-, methyl ester

Acetic acid, [[9-(2-deoxy-β-D-erythro-pentofuranosyl)-2-[(phenylacetyl)amino]-9H-purin-6-yl]oxy]-, methyl ester

Acetic acid, [[9-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-2-[(phenylacetyl)amino]-9H-purin-6-yl]oxy]-, methyl ester

Guanosine, 2′-deoxy-N-(phenylacetyl)-, 3′,5′-diacetate 6-(2,4,6-trimethylbenzenesulfonate)

9H-Purin-6-amine, 9-[(3S,5R,6R)-6-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1,4-dioxaspiro[2.4]hept-5-yl]-