InChI=1/C23H17NO6/c1-28-16-6-4-15(5-7-16)23(27)19-11-10-18-20(19)12-30-24-22(18)14-2-8-17(9-3-14)29-13-21(25)26/h2-12H,13H2,1H3,(H,25,26)/p-1/fC23H16NO6/q-1 261CE87BFBC8A369