122113-13-7 6H-Pyrrolo(2,3-d)pyrimidin-6-one, 5,7-dihydro-7-methyl-2-(4-thiomorpholinyl)-, monohydrochloride 7-Methyl-2-(4-thiomorpholinyl)-5,7-dihydro-6H-pyrrolo(2,3-d)pyrimidin-6-one