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