InChI=1S/C26H26O16/c27-8-3-1-7(2-4-8)11-5-9(28)12-15(31)23(41-26-20(36)17(33)19(35)24(42-26)25(37)38)16(32)13(21(12)40-11)22-18(34)14(30)10(29)6-39-22/h1-5,10,14,17-20,22,24,26-27,29-36H,6H2,(H,37,38)