InChI=1S/C20H25BrN4O6/c1-30-14-8-11(7-13-10-24-20(23)25-18(13)22)9-15(17(14)21)31-6-2-3-12(19(28)29)4-5-16(26)27/h8-10,12H,2-7H2,1H3,(H,26,27)(H,28,29)(H4,22,23,24,25)/p-1/t12-/m0/s1