1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-8-(2-propenyl)- (9CI) 4-26-00-02498 (Beilstein Handbook Reference) 74039-62-6 8-Allyltheophylline BRN 0212088 NSC 14300 Theophylline, 8-allyl-