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