InChI=1/C22H19BrN2O3/c1-13(26)19-20(14-6-8-16(23)9-7-14)25(22(28)21(19)27)11-10-15-12-24-18-5-3-2-4-17(15)18/h2-9,20,27H,10-12H2,1H3/t20-/m1/s1/f/h27h,24H 8B05D2F36F518051