InChI=1/C20H19BrN4O/c1-13-6-16(10-22-9-13)20(26)25-18-5-3-4-15(7-18)14(2)24-19-8-17(21)11-23-12-19/h3-12,14,24H,1-2H3,(H,25,26)/t14-/m0/s1/f/h25H 42028EC8CDFAB6F8