1H-Purine-2,6-dione, 7-(2-(diethylamino)ethyl)-3,7-dihydro-8-(hydroxymethyl)-1,3-dimethyl- 64283-16-5 7-(2-(Diethylamino)ethyl)-3,7-dihydro-8-(hydroxymethyl)-1,3-dimethyl-1H-purine-2,6-dione