InChI=1/C21H20N4O2/c22-21(27)23-12-13-5-9-15(10-6-13)24-20(26)17-11-19(14-7-8-14)25-18-4-2-1-3-16(17)18/h1-6,9-11,14H,7-8,12H2,(H,24,26)(H3,22,23,27)/f/h23-24H,22H2 4F739C18816B2272