InChI=1S/C40H30O16/c41-14-17-8-21-29-25(46)9-16(26-10-15-2-1-3-23(44)35(15)52-26)11-28(29)56-40(22-7-5-18(42)12-24(22)45)31(21)30(20-6-4-19(43)13-27(20)55-40)36(17)53-39-34(49)32(47)33(48)37(54-39)38(50)51/h1-13,32-34,37,39,41-49H,14H2,(H,50,51)