InChI=1/C22H24BrNO3/c1-3-10-24(11-4-2)14-18-19(25)9-8-17-21(26)20(27-22(17)18)13-15-6-5-7-16(23)12-15/h5-9,12-13,25H,3-4,10-11,14H2,1-2H3/b20-13-/f/h25h,24H E580E60B42F44AE9