InChI=1S/C27H30O16/c28-8-16-18(31)19(32)22(35)26(42-16)39-10-3-1-9(2-4-10)14-7-13(30)17-12(29)5-11(6-15(17)41-14)40-27-23(36)20(33)21(34)24(43-27)25(37)38/h1-6,14,16,18-24,26-29,31-36H,7-8H2,(H,37,38)