N6-benzoyl-3'-(tert-butyloxycarbonylamino)-2',5'-bis-O-(tert-butyldimethylsilyl)-3'-deoxyadenosine

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

2'-O-(tert-butyldimethylsilyl)-3'-(hydroxyamino)-3'-deoxyadenosine

3'-(tert-butyloxycarbonylamino)-2'-O-(tert-butyldimethylsilyl)-3'-deoxyadenosine