InChI=1S/C40H32O17/c1-38-13-21(18-6-4-16(42)10-24(18)55-38)39-28(35(38)49)27-26(12-19(29(44)30(27)45)23-8-14-2-3-15(41)9-22(14)52-23)56-40(39,57-39)20-7-5-17(43)11-25(20)53-37-33(48)31(46)32(47)34(54-37)36(50)51/h2-12,21,28,31-34,37,41-48H,13H2,1H3,(H,50,51)