InChI=1/C22H22N4O2/c27-22(17-6-11-21(23-16-17)26-12-14-28-15-13-26)25-20-9-7-19(8-10-20)24-18-4-2-1-3-5-18/h1-11,16,24H,12-15H2,(H,25,27)/f/h25H 3941034E4B340371