InChI=1/C13H16N4O2/c1-18-10-4-3-8(6-11(10)19-2)5-9-7-16-13(15)17-12(9)14/h3-4,6-7H,5H2,1-2H3,(H4,14,15,16,17)/p+1/fC13H17N4O2/h16H,14-15H2/q+1 6ECD8BCBF734EA30