InChI=1/C17H18N4O2/c1-11(10-18)17-16(13-6-4-7-14(9-13)21(22)23)19-15-8-3-5-12(2)20(15)17/h3-9,11H,10,18H2,1-2H3/p+1/t11-/m0/s1/fC17H19N4O2/h18H/q+1 543EFE7833219441