InChI=1S/C40H30O16/c1-14-9-20-27-26(56-40(21-8-6-16(41)11-23(21)44)29(20)28(30(14)45)18-7-5-17(42)12-25(18)55-40)13-19(24-10-15-3-2-4-22(43)35(15)52-24)31(46)36(27)53-39-34(49)32(47)33(48)37(54-39)38(50)51/h2-13,32-34,37,39,41-49H,1H3,(H,50,51)