InChI=1/C27H25BrN2O2/c1-2-32-20-15-13-19(14-16-20)29-27(31)24-8-4-7-23-21-5-3-6-22(21)25(30-26(23)24)17-9-11-18(28)12-10-17/h3-5,7-16,21-22,25,30H,2,6H2,1H3,(H,29,31)/t21-,22-,25-/m1/s1/f/h29H A27EC9FBC6F5EA9E