InChI=1S/C28H50O9/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21(29)27(35)37-28-24(32)22(30)23(31)25(36-28)26(33)34/h11-12,21-25,28-32H,2-10,13-20H2,1H3,(H,33,34)/b12-11-