InChI=1/C13H20N4O/c14-8-11-1-2-13(16-9-11)17-5-3-10(4-6-17)7-12(15)18/h1-2,9-10H,3-8,14H2,(H2,15,18)/p+1/fC13H21N4O/h14H,15H2/q+1 A5383422AA424727