3,7-Dimethyl-2,3,6,7-Tetrahydro-5H-thiazolo(3,2-a)pyrimidin-5-one 3,7-Dimethyl-5-oxo-2,3,6,7-tetrahydro-5H-thiazolo(3,2-a)pyrimidine 39567-25-4 5H-Thiazolo(3,2-a)pyrimidin-5-one, 2,3,6,7-tetrahydro-3,7-dimethyl-