InChI=1/C16H22N4O2/c1-11(20-5-2-3-17-4-6-20)16-18-12-9-14-15(10-13(12)19-16)22-8-7-21-14/h9-11,17H,2-8H2,1H3,(H,18,19)/p+1/t11-/m0/s1/fC16H23N4O2/h17-18H/q+1 236BA57119807D04