InChI=1/C20H26N4O3/c1-2-11-27-18-8-7-14-5-3-4-6-15(14)16(18)13-24-10-9-22-20(26)17(24)12-19(25)23-21/h3-8,17H,2,9-13,21H2,1H3,(H,22,26)(H,23,25)/p+1/t17-/m0/s1/fC20H27N4O3/h22-24H/q+1 164ECB2FED52885B