N6-{2-[1-(tert-butoxycarbonyl)imidazol-4-yl]ethyl}-5'-dimethoxytrityl-2'-deoxyadenosine

N6-{2-[1-(tert-butoxycarbonyl)imidazol-4-yl]ethyl}-3',5'-O-[(tetraisopropyl)disiloxane-1,3-diyl]-2'-deoxyadenosine

[2-(1H-Imidazol-4-yl)-ethyl]-[9-((2R,3aS,9aR)-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-9H-purin-6-yl]-amine

6-iodo-9-(3,5-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-deoxy-β-D-ribofuranosyl)purine