InChI=1/C22H21BrN2O3/c23-17-6-8-19(9-7-17)25-22(26)16-24-18-10-12-21(13-11-18)28-15-14-27-20-4-2-1-3-5-20/h1-13,24H,14-16H2,(H,25,26)/f/h25H B266727EDB6498D8