InChI=1/C23H16N2O2/c1-25-13-18(16-10-4-5-12-19(16)25)21-20(22(26)24-23(21)27)17-11-6-8-14-7-2-3-9-15(14)17/h2-13H,1H3,(H,24,26,27)/f/h24H 6289E1106E386928