InChI=1S/C27H50O9/c28-21(29)19-17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16-18-20-35-27-24(32)22(30)23(31)25(36-27)26(33)34/h22-25,27,30-32H,1-20H2,(H,28,29)(H,33,34)