(2R,3R,4R,5S)-4-azido-2-(6-chloro-9H-purin-9-yl)-5-(((methoxycarbonyl)oxy)methyl)tetrahydrofuran-3-yl benzoate

(2R,3S,4S,5R)-2-(6-amino-9H-purin-9-yl)-4-bromo-5-(((tert-butyldiphenylsilyl)oxy)methyl)tetrahydrofuran-3-yl acetate

3'-phthalimido-3'-deoxy-adenosine

3'-acetylamino-3'-deoxy-adenosine