1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-8-propyl- 2850-41-1 8-Propyltheophylline 8-n-Propyl theophylline NSC14304 Theophylline, 8-propyl- WLN: T56 BM DN FNVNVJ C3 F1 H1 Xanthine, 1,3-dimethyl-8-propyl-