InChI=1/C13H18N4O/c1-11-5-4-7-15(9-11)10-17-13(18)16-8-3-2-6-12(16)14-17/h2-3,6,8,11H,4-5,7,9-10H2,1H3/p+1/t11-/m0/s1/fC13H19N4O/h15H/q+1 DFD65CF543FB5716