InChI=1/C14H13Br2N3O/c1-8-2-4-10(5-3-8)18-14(20)19-13-11(15)6-9(17)7-12(13)16/h2-7H,17H2,1H3,(H2,18,19,20)/f/h18-19H 2030A7E9A1E875BB