InChI=1S/C17H14O10/c18-8-2-1-6-5-7-3-4-24-12(7)15(13(6)25-8)27-17-11(21)9(19)10(20)14(26-17)16(22)23/h1-5,9-11,14,17,19-21H,(H,22,23)