InChI=1/C12H14BrN5O2S/c1-8(9-3-2-4-15-6-9)18-21(19,20)11-5-10(13)7-16-12(11)17-14/h2-8,18H,14H2,1H3,(H,16,17)/t8-/m1/s1/f/h17H 853F2E8E3B171567