InChI: | InChI=1/C34H28Br4N4O8/c35-21-9-17-2-4-28(21)49-29-15-18(1-3-27(29)43)6-8-40-33(45)25(41-47)13-19-11-23(37)32(24(38)12-19)50-30-16-20(10-22(36)31(30)44)14-26(42-48)34(46)39-7-5-17/h1-4,9-12,15-16,43-44,47-48H,5-8,13-14H2,(H,39,46)(H,40,45)/b41-25-,42-26- |