1H,3H,5H-thiazolo[3,4-c]oxazol-3-one, 5-(1,1-dimethylethyl)dihydro- 5-tert-butyldihydro-1H-[1,3]thiazolo[3,4-c][1,3]oxazol-3-one InChI=1/C9H15NO2S/c1-9(2,3)7-10-6(5-13-7)4-12-8(10)11/h6-7H,4-5H2,1-3H