InChI=1S/C28H30O15/c1-8(7-40-9(2)30)12-16(31)13-15(18(33)22(12)42-27-21(36)19(34)20(35)24(43-27)25(37)38)28(3)5-4-10-11(6-29)26(39)41-23(14(10)28)17(13)32/h8,19-21,24,27,29,31,33-36H,4-7H2,1-3H3,(H,37,38)