- (2R,3R,4S,5R)-2-(6-(tritylamino)-9h-purin-9-yl)-5-((trityloxy)methyl)tetrahydrofuran-3,4-diol,95%, 250mg
- (2R,3R,4S,5R)-2-(6-(tritylamino)-9h-purin-9-yl)-5-((trityloxy)methyl)tetrahydrofuran-3,4-diol,95%, 1g