InChI=1/C14H9BrN2O3S/c15-9-5-8(6-18)1-2-11(9)20-7-12-16-10-3-4-21-13(10)14(19)17-12/h1-6H,7H2,(H,16,17,19)/f/h17H 0FB7EB3B878654EC