InChI=1/C20H26N4O2/c1-24(2)13-12-21-18-10-8-16(9-11-18)14-22-19(25)15-23-20(26)17-6-4-3-5-7-17/h3-11,21H,12-15H2,1-2H3,(H,22,25)(H,23,26)/p+1/fC20H27N4O2/h22-24H/q+1 321D5A37072D9AF9