InChI=1/C22H22N4O2/c27-21(15-26-12-10-17-3-1-2-4-20(17)26)25-19-7-5-16(6-8-19)13-24-22(28)18-9-11-23-14-18/h1-9,11,14,23H,10,12-13,15H2,(H,24,28)(H,25,27)/f/h24-25H D8B5354258C6A4B9