InChI=1/C21H19NO4/c1-2-26-21(25)20(24)12-19(23)17-14-22(13-15-8-4-3-5-9-15)18-11-7-6-10-16(17)18/h3-12,14,24H,2,13H2,1H3/p-1/b20-12-/fC21H18NO4/h24h/q-1 1C078EBF7B24B803