InChI=1/C20H26N4O2/c25-14-15-5-8-24(9-6-15)10-7-21-12-17-13-22-23-20(17)19-11-16-3-1-2-4-18(16)26-19/h1-4,11,13,15,21,25H,5-10,12,14H2,(H,22,23)/p+1/fC20H27N4O2/h22,24H/q+1 72A2C1F9722EE0C4