InChI=1/C13H20N4O2/c1-9(2)17(8-10-5-3-4-6-16-10)13(19)11(14)7-12(15)18/h3-6,9,11H,7-8,14H2,1-2H3,(H2,15,18)/p+1/t11-/m0/s1/fC13H21N4O2/h14H,15H2/q+1 5C7389A18C57D0E8