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