InChI=1/C15H14BrN5O2/c16-12-4-3-11(23-12)13-18-14-10(17)7-9(8-21(14)19-13)15(22)20-5-1-2-6-20/h3-4,7-8H,1-2,5-6,17H2 638AF11BA3D257FE