1H-Purine-2,6-dione, 8-cyclopropyl-3,7-dihydro-1,3-dimethyl- (9CI) 35873-47-3 8-Cyclopropyl theophylline 8-Cyclopropyltheophylline BRN 1126306 NSC 101797 Theophylline, 8-cyclopropyl- Xanthine, 8-cyclopropyl-1,3-dimethyl-