1012-82-4 1H-Purine-2,6-dione, 3,7-dihydro-7-hydroxy-1,3-dimethyl- (9CI) 5-26-14-00133 (Beilstein Handbook Reference) 7-Hydroxytheophyllin [German] 7-Hydroxytheophylline BRN 0616325 Theophylline, 7-hydroxy-