1,7-Dihydro-7-hydroxy-2-((tetrahydro-2H-pyran-2-yl)amino)-6H-purin-6-one 107550-41-4 6H-Purin-6-one, 1,7-dihydro-7-hydroxy-2-((tetrahydro-2H-pyran-2-yl)amino)- N(2)-Tetrahydropyranyl-7-hydroxyguanine N(sup 2)-Tetrahydropyranyl-7-hydroxyguanine