InChI=1/C20H15NO3/c1-10-7-11(2)17-14(8-10)19(23)18(20(17)24)16-5-3-12-9-13(22)4-6-15(12)21-16/h3-9,22,24H,1-2H3/p-1/fC20H14NO3/h24h/q-1 EC2D251E04E44B39