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