7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-((3R)-3-((3,4,5,6-tetrahydroxy-2-oxohexyl)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione
7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-((3R)-3-((3,4,5,6-tetrahydroxy-2-oxohexyl)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione