InChI=1/C14H11BrClNO3S/c1-8(20-14(19)11-6-7-12(16)21-11)13(18)17-10-4-2-9(15)3-5-10/h2-8H,1H3,(H,17,18)/t8-/m1/s1/f/h17H A7EFB5A68A247F91