InChI=1/C21H25BrN4O3/c1-3-25(4-2)13-12-23-19(27)21(29)17-14-15(22)10-11-18(17)24-20(28)26(21)16-8-6-5-7-9-16/h5-11,14,29H,3-4,12-13H2,1-2H3,(H,23,27)(H,24,28)/p+1/t21-/m1/s1/fC21H26BrN4O3/h23-25H/q+1 86891515680B91EF