InChI=1S/C38H22O8/c39-21-9-1-17(2-10-21)23-13-5-19-7-15-25-31-27(19)29(23)35(41)37(43)33(31)34-32-26(45-37)16-8-20-6-14-24(18-3-11-22(40)12-4-18)30(28(20)32)36(42)38(34,44)46-25/h1-16,33-34,39-40,43-44H