InChI=1/C20H26N4O2/c1-24(2)15-18-10-6-9-17(11-18)13-21-19(25)14-23-20(26)22-12-16-7-4-3-5-8-16/h3-11H,12-15H2,1-2H3,(H,21,25)(H2,22,23,26)/p+1/fC20H27N4O2/h21-24H/q+1 A96F1F151D2C334C