1,3-Diisobutyl-8-methylxanthine 1H-Purine-2,6-dione, 3,7-dihydro-1,3-bis(2-methylpropyl)-8-methyl- 3,7-Dihydro-1,3-bis(2-methylpropyl)-8-methyl-1H-purine-2,6-dione 81250-28-4 BRN 4198152 Xanthine, 1,3-diisobutyl-8-methyl-