InChI=1S/C26H26O15/c27-10-6-13(9-4-2-1-3-5-9)38-14-7-11(28)21(39-25-19(33)16(30)12(29)8-37-25)22(15(10)14)40-26-20(34)17(31)18(32)23(41-26)24(35)36/h1-7,12,16-20,23,25-26,28-34H,8H2,(H,35,36)