1,3-Dipropyl-8-cyclopentylxanthine 1,3-Dpcpx 102146-07-6 1H-Purine-2,6-dione, 8-cyclopentyl-3,7-dihydro-1,3-dipropyl- 8-Cyclopentyl-1,3-dipropylxanthine 8-Cyclopentyl-3,7-dihydro-1,3-dipropyl-1H-purin-2,6-dione PD 116948 PD-116,948