InChI=1/C24H25BrN4O4/c1-33-23-20-8-3-2-7-19(20)22(25)16-21(23)24(30)26-9-10-27-11-13-28(14-12-27)17-5-4-6-18(15-17)29(31)32/h2-8,15-16H,9-14H2,1H3,(H,26,30)/p+1/fC24H26BrN4O4/h26-27H/q+1 8421DA2B6B730E56