InChI=1S/C38H34O16/c1-13-7-19(39)27-29(41)25(17-9-15(47-3)11-21(49-5)23(17)33(27)51-13)26-18-10-16(48-4)12-22(50-6)24(18)34(28-20(40)8-14(2)52-35(26)28)53-38-32(44)30(42)31(43)36(54-38)37(45)46/h7-12,30-32,36,38,41-44H,1-6H3,(H,45,46)