InChI=1/C17H13NO4/c19-15-12-8-4-5-9-13(12)16(20)18(15)14(17(21)22)10-11-6-2-1-3-7-11/h1-9,14H,10H2,(H,21,22)/p-1/t14-/m0/s1/fC17H12NO4/q-1 ABCF91080D4B51D3