InChI=1/C12H8N4O6S/c17-9(5-8-11(19)13-12(20)23-8)14-15-10(18)6-1-3-7(4-2-6)16(21)22/h1-5H,(H,14,17)(H,15,18)(H,13,19,20)/b8-5-/f/h13-15H BBD14E5F2B5CD6AD