InChI=1/C12H10O5/c1-16-8-2-3-9-7(4-11(13)14)5-12(15)17-10(9)6-8/h2-3,5-6H,4H2,1H3,(H,13,14)/p-1/fC12H9O5/q-1 4A8D173AEF7F2096