1H-Purine-2,6-dione, 3,7-dihydro-7-(2-hydroxyethyl)-8-(hydroxymethyl)-1,3-dimethyl- 3,7-Dihydro-7-(2-hydroxyethyl)-8-(hydroxymethyl)-1,3-dimethyl-1H-purine-2,6-dione 64283-05-2