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