1,3-Dimethyluric acid 1H-Purine-2,6,8(3H)-trione, 7,9-dihydro-1,3-dimethyl- 4-26-00-02622 (Beilstein Handbook Reference) 7,9-Dihydro-1,3-dimethyl-1H-purine-2,6,8(3H)-trione 944-73-0 BRN 0193698 Ba 2751 EINECS 213-410-1 NSC 95854 Oxytheophylline Uric acid, 1,3-dimethyl- (6CI,7CI,8CI) Uric acid, 1,3-dimethyl- (VAN) (8CI)