1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-7-(2-hydroxybutyl)- 1H-Purine-2,6-dione, 3,7-dihydro-7-(2-hydroxybutyl)-1,3-dimethyl- 3,7-Dihydro-1,3-dimethyl-7-(2-hydroxybutyl)-1H-purine-2,6-dione 41011-02-3 5-26-14-00067 (Beilstein Handbook Reference) 7-(beta-Hydroxybutyl)theophylline BRN 0620806 Theophylline, 7-(2-hydroxybutyl)-