7-(2-BUTYN-1-YL)-3,7-DIHYDRO-8-((2-HYDROXYETHYL)AMINO)-3-METHYL-1-((4-METHYL-2-QUINAZOLINYL)METHYL)-1H-PURINE-2,6-DIONE
7-(2-butyn-1-yl)-3,7-dihydro-8-((2-hydroxyethyl)amino)-3-methyl-1-((4-methyl-2-quinazolinyl)methyl)-1h-purine-2,6-dione