(2R,3S,4R,5R)-2-(hydroxymethyl)-5-[6-(3-methylbut-3-enylamino)purin-9-yl]oxolane-3,4-diol
(2R,3S,4R,5R)-2-(hydroxymethyl)-5-[6-(3-methylbut-3-enylamino)purin-9-yl]tetrahydrofuran-3,4-diol
(2R,3S,4R,5R)-2-(hydroxymethyl)-5-[6-(3-methylbut-3-enylamino)-9-purinyl]tetrahydrofuran-3,4-diol
(2R,3R,4S,5R)-2-[6-(3-methylbut-3-enylamino)purin-9-yl]-5-methylol-tetrahydrofuran-3,4-diol