InChI=1/C14H13BrN2O3S/c15-12-6-5-11(21-12)8-16-14(20)17-10-3-1-9(2-4-10)7-13(18)19/h1-6H,7-8H2,(H,18,19)(H2,16,17,20)/p-1/fC14H12BrN2O3S/h16-17H/q-1 0D4EAFB7C3F3838B