InChI=1S/C29H20O11S/c30-16-10-19(26-25(39-26)14-6-8-18(9-7-14)40-41(34,35)36)23-21(12-16)38-28(33)29(23)24-20(32)11-17(31)13-22(24)37-27(29)15-4-2-1-3-5-15/h1-13,25-27,30-32H,(H,34,35,36)