5H-Thiazolo(3,2-a)pyrimidin-5-one, 2,3,6,7-tetrahydro-7-(1,1-dimethylethyl)- 7-(1,1-Dimethylethyl)-2,3,6,7-Tetrahydro-5H-thiazolo(3,2-a)pyrimidin-5-one 7-t-Butyl-5-oxo-2,3,6,7-tetrahydro-5H-thiazolo(3,2-a)pyrimidine 81530-28-1