InChI=1S/C26H28O13/c1-9(2)3-4-10-13(28)7-18-19(16(31)8-17(37-18)11-5-14(29)15(30)6-12(11)27)23(10)38-26-22(34)20(32)21(33)24(39-26)25(35)36/h3,5-7,17,20-22,24,26-30,32-34H,4,8H2,1-2H3,(H,35,36)