InChI=1/C20H26N4O2/c1-15-6-4-9-18(10-15)23-20(26)22-13-19(25)21-12-16-7-5-8-17(11-16)14-24(2)3/h4-11H,12-14H2,1-3H3,(H,21,25)(H2,22,23,26)/p+1/fC20H27N4O2/h21-24H/q+1 6474EEAEF8BDD90F