InChI=1/C21H20N6O/c1-13-4-3-5-17(12-13)26-21(28)25-16-8-6-15(7-9-16)19-14(2)24-18-10-11-23-27(18)20(19)22/h3-12H,22H2,1-2H3,(H2,25,26,28)/f/h25-26H F99E4EDF52856399