InChI=1/C24H20BrN3O4/c1-14-3-6-16(7-4-14)26-22(29)13-28-23(30)20(27-24(28)31)12-17-8-10-21(32-17)18-9-5-15(2)11-19(18)25/h3-12H,13H2,1-2H3,(H,26,29)(H,27,31)/b20-12+/f/h26-27H B79E415541567F6F