InChI=1/C20H26N4O2/c1-15-7-9-16(10-8-15)12-21-20(26)22-13-17-5-4-6-18(11-17)23-19(25)14-24(2)3/h4-11H,12-14H2,1-3H3,(H,23,25)(H2,21,22,26)/p+1/fC20H27N4O2/h21-24H/q+1 1DE439B574036479