InChI=1/C20H18BrN3O5/c21-16-3-1-2-15(13-16)19(25)22-18(20(26)23-8-10-29-11-9-23)12-14-4-6-17(7-5-14)24(27)28/h1-7,12-13H,8-11H2,(H,22,25)/b18-12-/f/h22H CD46ADFD211A085E