InChI=1/C21H27BrN4O3/c1-4-26(5-2)13-12-23-20(27)18-11-10-17(14-19(18)29-3)25-21(28)24-16-8-6-15(22)7-9-16/h6-11,14H,4-5,12-13H2,1-3H3,(H,23,27)(H2,24,25,28)/p+1/fC21H28BrN4O3/h23-26H/q+1 0C2A0A5E008909E8