InChI=1/C16H22N4O/c1-10(2)20-8-4-5-11(9-20)16-18-13-7-3-6-12(15(17)21)14(13)19-16/h3,6-7,10-11H,4-5,8-9H2,1-2H3,(H2,17,21)(H,18,19)/p+1/t11-/m1/s1/fC16H23N4O/h18,20H,17H2/q+1 EF9E5134437B13EA