1-Butyltheobromine 1-n-Butyl-3,7-dimethylxanthine 1143-30-2 1H-Purine-2,6-dione, 1-butyl-3,7-dihydro-3,7-dimethyl- (9CI) 4-26-00-02348 (Beilstein Handbook Reference) BRN 0026680 NSC 3111 Theobromine, 1-butyl-