cordycepin
1-(3-((((2S,4R,5R)-5-(6-amino-9H-purin-9-yl)-4-hydroxytetrahydrofuran-2-yl)methyl)(isopropyl)amino)propyl)-3-(4-(tert-butyl)phenyl)urea
(2R,3R,5S)-2-(6-amino-9H-purin-9-yl)-5-((tosyloxy)methyl)tetrahydrofuran-3-yl acetate
adenosine N,N-dibenzoyl-3'-deoxy-5'-O-tert-butyldimethylsilyl-2'-benzoate
N6-benzoyl-5'-O-(t-butyldimethylsilyl)-3'-deoxyadenosine