InChI=1/C19H16O10/c20-7-1-3-10-11(5-7)9-4-2-8(6-12(9)28-18(10)26)27-19-15(23)13(21)14(22)16(29-19)17(24)25/h1-6,13-16,19-23H,(H,24,25)