InChI=1/C13H8BrCl2NO3S/c14-8-1-4-10(5-2-8)21(19,20)17-13(18)11-6-3-9(15)7-12(11)16/h1-7H,(H,17,18)/p-1/fC13H7BrCl2NO3S/q-1 A75C9ACC158B7A91