1H-Purine-2,6-dione, 3,7-dihydro-7-((2-(bromomethyl)-1,3-dioxolan-4-yl)methyl)-1,3-dimethyl- 2-Bromomethyl-4-(7'-theophyllinylmethyl)dioxolane 3,7-Dihydro-7-((2-(bromomethyl)-1,3-dioxolan-4-yl)methyl)-1,3-dimethyl-1H-purine-2,6-dione 80020-19-5