InChI=1S/C28H50O9/c1-2-3-4-5-6-8-11-14-17-20-21(35-20)18-15-12-9-7-10-13-16-19-22(29)36-28-25(32)23(30)24(31)26(37-28)27(33)34/h20-21,23-26,28,30-32H,2-19H2,1H3,(H,33,34)