InChI=1/C17H13NO5/c19-12-4-1-10(2-5-12)7-8-18-15(20)13-6-3-11(17(22)23)9-14(13)16(18)21/h1-6,9,19H,7-8H2,(H,22,23)/p-1/fC17H12NO5/q-1 6FAC4457C586D88C