InChI=1/C15H9NO4S2/c17-13-12(22-15(21)16-13)7-10-5-6-11(20-10)8-1-3-9(4-2-8)14(18)19/h1-7H,(H,18,19)(H,16,17,21)/p-2/b12-7-/fC15H7NO4S2/q-2 6C33F8F5B92FC8BD