InChI=1/C13H15BrN4O/c14-10-6-9(7-16-8-10)11-17-12(18-19-11)13(15)4-2-1-3-5-13/h6-8H,1-5,15H2/p+1/fC13H16BrN4O/h15H/q+1 ECB5BB11668FC2D7