InChI=1/C14H14BrN3O2S/c15-10-3-1-9(2-4-10)7-18(8-12(17)19)14(20)13-11(16)5-6-21-13/h1-6H,7-8,16H2,(H2,17,19)/f/h17H2 9E8A2F91FAD14152