InChI=1/C13H13BrN4O2S/c1-7-5-9(3-4-10(7)14)15-11(19)6-21-13-16-12(20)8(2)17-18-13/h3-5H,6H2,1-2H3,(H,15,19)(H,16,18,20)/p-1/fC13H12BrN4O2S/h15H/q-1 B5B897125D993C5D