InChI=1/C12H12Br2N4O2S/c13-9-3-1-2-8(4-9)6-17-21(19,20)11-5-10(14)7-16-12(11)18-15/h1-5,7,17H,6,15H2,(H,16,18)/f/h18H 630AF10F22AB3860