InChI=1S/C28H50O9/c29-22(30)20-18-16-14-12-10-8-6-4-2-1-3-5-7-9-11-13-15-17-19-21-36-28-25(33)23(31)24(32)26(37-28)27(34)35/h1-2,23-26,28,31-33H,3-21H2,(H,29,30)(H,34,35)/b2-1-