2-Bromo-6-[2-(4-nitro-phenyl)-ethoxy]-9-trimethylsilanyl-9H-purine

(2R,3R,4R,5R)-2-(acetoxymethyl)-5-(2-bromo-6-(4-nitrophenethoxy)-9H-purin-9-yl)tetrahydrofuran-3,4-diyl diacetate

5-(3-benzoylthioureido)-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1H-imidazole-4-carboxamide

N-(6,7-二氢-6-氧代-1H-嘌呤-2-基)-2-甲基丙酰胺

N(2)-phenoxyacetyl-3',5'-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2'-O-(methylthiomethyl)guanosine