InChI=1/C12H7NO2S2/c14-11-10(17-12(16)13-11)6-8-5-7-3-1-2-4-9(7)15-8/h1-6H,(H,13,14,16)/p-1/b10-6-/fC12H6NO2S2/q-1 FBFFF3F63BF68DE7