InChI=1/C20H26BrNO4/c1-2-25-19-13-17(14-22-8-10-24-11-9-23)12-18(21)20(19)26-15-16-6-4-3-5-7-16/h3-7,12-13,22-23H,2,8-11,14-15H2,1H3/p+1/fC20H27BrNO4/h22H/q+1 DEB7F5F134835A53