InChI=1S/C44H30O13/c45-35-36(46)38(41(50)51)55-42(37(35)47)54-24-9-5-4-8-22(24)23-15-11-20-13-17-26-32-28(20)30(23)40(49)44(53)34(32)33-31-25(57-44)16-12-19-10-14-21(18-6-2-1-3-7-18)29(27(19)31)39(48)43(33,52)56-26/h1-17,33-38,42,45-47,52-53H,(H,50,51)