InChI=1/C20H26N4O2/c1-21-19(25)17-11-9-15(10-12-17)13-22-20(26)23-18(14-24(2)3)16-7-5-4-6-8-16/h4-12,18H,13-14H2,1-3H3,(H,21,25)(H2,22,23,26)/p+1/t18-/m0/s1/fC20H27N4O2/h21-24H/q+1 1C7F09ABA8E2479B