InChI=1/C22H20N4O2/c27-21-17(12-14-3-1-2-4-18(14)25-21)20-13-16-11-15(5-6-19(16)24-20)22(28)26-9-7-23-8-10-26/h1-6,11-13,23-24H,7-10H2,(H,25,27)/f/h25H CFB19FFBE7DAFB43