InChI=1S/C26H26O13/c1-9(2)3-4-10-13(28)7-18-19(20(10)31)15(30)8-16(37-18)11-5-17(14(29)6-12(11)27)38-26-23(34)21(32)22(33)24(39-26)25(35)36/h3,5-8,21-24,26-29,31-34H,4H2,1-2H3,(H,35,36)