InChI=1/C12H8N4O2S2/c17-11(6-1-2-8-9(3-6)16-20-15-8)13-12-7-4-19-5-10(7)14-18-12/h1-3H,4-5H2,(H,13,17)/f/h13H 0D7737B7E1CFE27A