InChI=1/C14H14BrN3O/c15-11-6-4-10(5-7-11)14(19)16-13-8-12(17-18-13)9-2-1-3-9/h4-9H,1-3H2,(H2,16,17,18,19)/f/h16-17H B8A8542BD0A43DFB