InChI=1/C23H18N2O3/c26-22-20(23(27)25(24-22)19-12-5-2-6-13-19)15-18-11-7-8-14-21(18)28-16-17-9-3-1-4-10-17/h1-15H,16H2,(H,24,26)/b20-15-/f/h24H BE24FD6ACC975C45