InChI=1/C15H16BrN5O2/c1-3-6-20(2)15(22)9-7-12(17)21-13(8-9)18-14(19-21)10-4-5-11(16)23-10/h4-5,7-8H,3,6,17H2,1-2H3 1D66B33DB4BB940F