1-benzyl-3,7-dimethyl-1H-purine-2,6(3H,7H)-dione; 1-Benzyltheobromine; 1-Benzyl-3,7-dimethylxanthine; 3,7-Dihydro-3,7-dimethyl-1-(phenylmethyl)-1H-purine-2,6-dione; Pentoxifylline EP Impurity I
1-benzyl-3,7-dimethyl-1H-purine-2,6(3H,7H)-dione; 1-Benzyltheobromine; 1-Benzyl-3,7-dimethylxanthine; 3,7-Dihydro-3,7-dimethyl-1-(phenylmethyl)-1H-purine-2,6-dione; Pentoxifylline EP Impurity I