InChI=1/C13H18N4O2/c14-12-11(5-16-13(15)17-12)4-8-1-9(6-18)3-10(2-8)7-19/h1-3,11,18-19H,4-7H2,(H4,14,15,16,17)/p+1/t11-/m1/s1/fC13H19N4O2/h15-17H,14H2/q+1 E8FCEE2178AA4403