InChI=1/C18H16BrN3O3/c1-9-5-12(3-4-15(9)19)22-18(24)14-6-13-11(8-23)7-21-10(2)16(13)25-17(14)20/h3-7,20,23H,8H2,1-2H3,(H,22,24)/p+1/fC18H17BrN3O3/h20,22H/q+1 421FF8B6BFDEA440