InChI=1/C23H29BrN2O4/c1-16(2)11-14-30-21-10-7-18(15-20(21)24)23(28)26-19-8-5-17(6-9-19)22(27)25-12-4-13-29-3/h5-10,15-16H,4,11-14H2,1-3H3,(H,25,27)(H,26,28)/f/h25-26H B9646BB393E258A6