InChI=1/C22H26N4O2/c1-15(2)20-19(27-3)9-4-16-14-23-22(25-21(16)20)24-17-5-7-18(8-6-17)26-10-12-28-13-11-26/h4-9,14-15H,10-13H2,1-3H3,(H,23,24,25)/f/h24H 20ADEBF1CB4ECB8C