InChI=1/C26H26BrN3O3/c27-23-11-4-3-10-22(23)25(31)29-24(26(32)28-12-13-30-14-16-33-17-15-30)18-20-8-5-7-19-6-1-2-9-21(19)20/h1-11,18H,12-17H2,(H,28,32)(H,29,31)/b24-18+/f/h28-29H 7948F5D7C3C6E22E