1H-Purine-2,6-dione, 8-hexyl-3,7-dihydro-1,3-dimethyl- (9CI) 5429-37-8 8-Hexyltheophylline BRN 1134371 NSC 14129 Theophylline, 8-hexyl- Xanthine, 1,3-dimethyl-8-hexyl-