InChI=1/C20H16N2O3/c23-19-17(20(24)25)16-12-7-8-14(22-9-2-1-3-10-22)11-5-4-6-13(15(11)12)18(16)21-19/h4-8H,1-3,9-10H2,(H,24,25)/f/h21H AFFB038A877506F4