InChI=1S/C31H58O9/c32-25(33)23-21-19-17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16-18-20-22-24-39-31-28(36)26(34)27(35)29(40-31)30(37)38/h26-29,31,34-36H,1-24H2,(H,32,33)(H,37,38)