InChI=1/C13H14BrN3O/c1-8(2)11-7-12(17-16-11)15-13(18)9-3-5-10(14)6-4-9/h3-8H,1-2H3,(H2,15,16,17,18)/f/h15-16H 4A0A45AB477F05F0