InChI=1S/C28H44O9/c1-10-26(8,33)23(36-19(4)31)14-22-27(9,37-20(5)32)15-21(35-18(3)30)24-25(6,7)12-11-13-28(22,24)16-34-17(2)29/h10,21-24,33H,1,11-16H2,2-9H3