InChI=1S/C26H28O17/c27-8-2-1-7(3-9(8)28)13-4-10(29)15-14(40-13)5-11(30)21(41-25-19(35)16(32)12(31)6-39-25)22(15)42-26-20(36)17(33)18(34)23(43-26)24(37)38/h1-3,5,12-13,16-20,23,25-28,30-36H,4,6H2,(H,37,38)