1H-Purine-2,6-dione, 3,7-dihydro-3-(2-hydroxyethyl)-1-methyl- 3-(2-Hydroxyethyl)-1-methylxanthine 31542-47-9 4-26-00-02355 (Beilstein Handbook Reference) BRN 0240672 Xanthine, 3-(2-hydroxyethyl)-1-methyl-