1-Butyltheobromine 1-n-Butyl-3,7-dimethylxanthine 1143-30-2 1H-Purine-2,6-dione, 1-butyl-3,7-dihydro-3,7-dimethyl- NSC3111 Theobromine, 1-butyl- WLN: T56 BN DN FNVNVJ B1 F1 H4