InChI=1/C21H22BrN3O3/c1-24(2)11-4-12-25-18(15-5-3-10-23-13-15)17(20(27)21(25)28)19(26)14-6-8-16(22)9-7-14/h3,5-10,13,18,27H,4,11-12H2,1-2H3/t18-/m1/s1/f/h27h,24H BE3DD72339D4A8D2