InChI=1S/C15H14O11/c16-5-2-1-4-6(17)3-7(18)24-11(4)12(5)25-15-10(21)8(19)9(20)13(26-15)14(22)23/h1-3,8-10,13,15-17,19-21H,(H,22,23)