InChI=1/C13H18N4O/c1-17(6-7-18)9-11-8-10-4-2-3-5-12(10)15-13(11)16-14/h2-5,8,18H,6-7,9,14H2,1H3,(H,15,16)/p+1/fC13H19N4O/h16-17H/q+1 88099DCD5302EB8B