1,6-dimethylpyrazolo[3,4-d][1,3]oxazin-4(1H)-one InChI=1/C7H7N3O2/c1-4-9-6-5(7(11)12-4)3-8-10(6)2/h3H,1-2H pyrazolo[3,4-d][1,3]oxazin-4(1H)-one, 1,6-dimethyl-