InChI=1/C20H21BrN4O2/c21-15-5-3-4-13(10-15)18(25-20(22)27)11-19(26)23-9-8-14-12-24-17-7-2-1-6-16(14)17/h1-7,10,18H,8-9,11-12H2,(H,23,26)(H3,22,25,27)/p+1/t18-/m1/s1/fC20H22BrN4O2/h23-25H,22H2/q+1 1B8BFCC4722F9028