1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-8-pentyl- (9CI) 3,7-Dihydro-1,3-dimethyl-8-pentyl-1H-purine-2,6-dione 35873-41-7 8-Pentyltheophylline BRN 0538445 Theophylline, 8-pentyl- Xanthine, 1,3-dimethyl-8-pentyl-