1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-7-(2-(4-(2-furanylcarbonyl)-1-piperazinyl)ethyl) 7-(2-(4-(2-Furoyl)-1-piperazinyl)ethyl)theophylline 86071-02-5 Sgd 269 76 Theophylline, 7-(2-(4-(2-furoyl)-1-piperazinyl)ethyl)-