3',5'-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2'-O-(trifluoromethanesulfonyl)adenosine

((2R,3R,4R,5R)-3-acetoxy-5-(6-amino-8-tosyl-9H-purin-9-yl)-4-(tosyloxy)tetrahydrofuran-2-yl)methyl acetate

5-amino-1-(tri-O-benzyl-D-arabinofuranosyl)-1H-imidazole-4-carboxylic acid ethyl ester

1-(2,3,5-tri-O-benzyl-β-D-arabinofuranosyl)-4-cyano-5-aminoimidazole

5-amino-1-(2,3,5-tri-O-benzyl-β-D-arabinofuranosyl)imidazole-4-carboxamide