105522-55-2 1H-Purine-2,6-dione, 3,7-dihydro-3-methyl-8-(4-morpholinyl)-7-(2-phenoxyethyl)- 3,7-Dihydro-3-methyl-8-(4-morpholinyl)-7-(2-phenoxyethyl)-1H-purine-2,6-dione 7-(2-Phenoxyethyl)-8-morpholino-3-methylxanthine