InChI=1S/C30H54O9/c1-23(38-30-27(35)25(33)26(34)28(39-30)29(36)37)21-19-17-15-13-11-9-7-5-3-2-4-6-8-10-12-14-16-18-20-22-24(31)32/h7,9,23,25-28,30,33-35H,2-6,8,10-22H2,1H3,(H,31,32)(H,36,37)/b9-7-