5H-Thiazolo(3,2-a)pyrimidin-5-one, 2,3,6,7-tetrahydro-7-(1-methylethyl)- 7-(1-Methylethyl)-2,3,6,7-Tetrahydro-5H-thiazolo(3,2-a)pyrimidin-5-one 7-Isopropyl-5-oxo-2,3,6,7-tetrahydro-5H-thiazolo(3,2-a)pyrimidine 81530-26-9