InChI=1S/C23H27BrN2OS/c1-3-14-26(2)15-6-4-5-7-16-27-20-12-13-21-22(17-20)28-25-23(21)18-8-10-19(24)11-9-18/h3,8-13,17H,1,4-7,14-16H2,2H3