InChI=1S/C20H38O9/c1-3-4-5-6-7-8-9-26-19-14(10-13(22)15(11-21)29-19)28-20-18(25)17(24)16(23)12(2)27-20/h12-25H,3-11H2,1-2H3/t12-,13+,14+,15+,16+,17+,18-,19+,20-/m0/s1