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