InChI=1/C20H13Br2N3O2/c1-11-4-5-12(20-25-19-17(27-20)3-2-6-23-19)8-16(11)24-10-13-7-14(21)9-15(22)18(13)26/h2-10,26H,1H3 3E3EE999EB77EAC6