InChI=1S/C28H30O15/c1-9(29)40-8-15-20(34)23(37)25(39)28(43-15)18-22(36)17(27-24(38)19(33)13(32)7-41-27)21(35)16-12(31)6-14(42-26(16)18)10-2-4-11(30)5-3-10/h2-6,13,15,19-20,23-25,27-28,30,32-39H,7-8H2,1H3