InChI=1/C11H6ClN2O4S2/c12-8-4-5-9(19-8)20(16,17)14-7-3-1-2-6-10(7)18-11(15)13-6/h1-5H,(H,13,15)/q-1/f/h13H 4E6EFB12633B74F9