InChI=1S/C28H34O16/c1-37-12-4-5-13(38-2)25-17(12)18(31)11-6-10(7-14(39-3)24(11)43-25)40-28-26(22(35)20(33)16(9-30)42-28)44-27-23(36)21(34)19(32)15(8-29)41-27/h4-7,15-16,19-23,26-30,32-36H,8-9H2,1-3H3