InChI=1/C26H29BrN2O4/c1-4-17-33-21-13-9-19(10-14-21)24(30)22-23(18-7-11-20(27)12-8-18)29(26(32)25(22)31)16-15-28(5-2)6-3/h4,7-14,23,31H,1,5-6,15-17H2,2-3H3/t23-/m0/s1/f/h31h,28H 2E38155B313E4738