InChI=1/C11H11N4O4S2/c1-6-5-8(15(16)17)3-4-9(6)14-21(18,19)10-7(2)13-11(12)20-10/h3-5H,1-2H3,(H2,12,13)/q-1/f/h12H2 87ED6A8B57CB843C