InChI=1S/C14H16BrCl2NO2S/c1-8(10-4-6-11(15)7-5-10)18-12(19)13(21(3)20)9(2)14(13,16)17/h4-9H,1-3H3,(H,18,19)/t8?,9-,13-,21+/m1/s1