InChI=1S/C28H30O16/c1-39-15-6-12-14(7-16(15)42-28-23(35)20(32)19(31)17(8-29)43-28)40-9-13(18(12)30)10-2-4-11(5-3-10)41-27-24(36)21(33)22(34)25(44-27)26(37)38/h2-7,9,17,19-25,27-29,31-36H,8H2,1H3,(H,37,38)