InChI=1/C20H26N4O/c25-20(19-17-8-4-5-9-18(17)22-23-19)21-16-10-12-24(13-11-16)14-15-6-2-1-3-7-15/h1-3,6-7,16H,4-5,8-14H2,(H,21,25)(H,22,23)/p+1/fC20H27N4O/h21,23-24H/q+1 E541741DFC1A3085