InChI=1/C22H22BrN3O6/c1-12(24-11-13-9-16(30-2)19(32-4)17(10-13)31-3)18-20(27)25-22(29)26(21(18)28)15-7-5-14(23)6-8-15/h5-10,24H,11H2,1-4H3,(H,25,27,29)/b18-12+/f/h25H E388D2FFEF2F1AE6