InChI=1/C14H12Br3N3O/c1-7-3-10(16)12(11(17)4-7)20-14(21)9-5-8(15)6-19-13(9)18-2/h3-6H,1-2H3,(H,18,19)(H,20,21)/f/h18,20H 05176056311E13F0