InChI=1/C13H20N4O/c14-8-10-5-6-16-13(7-10)17(9-12(15)18)11-3-1-2-4-11/h5-7,11H,1-4,8-9,14H2,(H2,15,18)/p+1/fC13H21N4O/h14H,15H2/q+1 6F1EDA45E59D735E