6-chloro-9-[5-O-(tert-butyldiphenylsilyl)-3-deoxy-2-Se-phenyl-2-seleno-β-D-erythro-pentofuranosyl]-9H-purine

9-<5-O-(tert-butyldiphenylsilyl)-3-deoxy-2-Se-phenyl-2-seleno-β-D-erythro-pentofuranosyl>adenine

O-((2R,3R,5S)-2-(6-amino-9H-purin-9-yl)-5-(((tert-butyldiphenylsilyl)oxy)methyl)tetrahydrofuran-3-yl) 1H-imidazole-1-carbothioate

O-((2R,3R,4R,5R)-5-(6-amino-9H-purin-9-yl)-4-((tert-butyldimethylsilyl)oxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)tetrahydrofuran-3-yl) 1H-imidazole-1-carbothioate

(2R,3R,4R,5R)-5-(6-amino-9H-purin-9-yl)-4-((tert-butyldimethylsilyl)oxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)tetrahydrofuran-3-ol