InChI=1S/C26H28O16/c27-9-3-1-2-8(4-9)21-22(41-25-19(34)15(30)11(29)7-38-25)16(31)14-12(39-21)5-10(28)6-13(14)40-26-20(35)17(32)18(33)23(42-26)24(36)37/h1-6,11,15,17-23,25-30,32-35H,7H2,(H,36,37)