InChI=1/C13H18N4O2/c1-9-4-5-11(19-9)13-10(7-15-16-13)6-14-8-12(18)17(2)3/h4-5,7,14H,6,8H2,1-3H3,(H,15,16)/p+1/fC13H19N4O2/h14,16H/q+1 EBA270BBD9913A6E