100682-44-8 6H-Purin-6-one, 1,9-dihydro-9-((tetrahydro-2-methyl-4-methylene-5-oxo-2-furanyl)methyl)- 9-((2-Methyl-4-methylene-5-oxotetrahydrofuran-2-yl)methyl)hypoxanthine 9-Mmofh