InChI=1/C10H9ClN4O4S/c11-6-1-3-7(4-2-6)20(18,19)15-14-10-12-8(16)5-9(17)13-10/h1-5,15H,(H3,12,13,14,16,17)/p-1/fC10H8ClN4O4S/h12,14H/q-1 26A7ABA423488243