InChI=1S/C27H28O16/c1-8-15(29)17(31)21(35)26(39-8)41-11-6-12(28)14-13(7-11)42-23(19(33)16(14)30)9-2-4-10(5-3-9)40-27-22(36)18(32)20(34)24(43-27)25(37)38/h2-8,15,17-18,20-22,24,26-29,31-36H,1H3,(H,37,38)