InChI=1/C20H26N4O2/c1-15(25)23-19-10-6-17(7-11-19)20(26)22-14-16-4-8-18(9-5-16)21-12-13-24(2)3/h4-11,21H,12-14H2,1-3H3,(H,22,26)(H,23,25)/p+1/fC20H27N4O2/h22-24H/q+1 A7A0AAB45E95B08E