InChI=1/C26H28BrNO4/c1-15(2)12-28(13-16(3)4)14-21-22(29)7-6-20-25(30)24(32-26(20)21)11-19-10-17-9-18(27)5-8-23(17)31-19/h5-11,15-16,29H,12-14H2,1-4H3/b24-11-/f/h29h,28H F228FD3511295D5B