2(3H)-benzoxazolone, 3-methyl-6-nitro- 3-methyl-6-nitro-1,3-benzoxazol-2(3H)-one InChI=1/C8H6N2O4/c1-9-6-3-2-5(10(12)13)4-7(6)14-8(9)11/h2-4H,1H