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