InChI=1/C20H26O9/c1-16(10-21)17(2,24)18(3,25)19(4,26)20(5,29-16)28-14-9-13-11(8-12(14)22)6-7-15(23)27-13/h6-9,21-22,24-26H,10H2,1-5H3/t16-,17-,18-,19-,20-/m1/s1 B3B68C7B15E10BC5