InChI=1S/C25H46O9/c1-18(33-25-22(30)20(28)21(29)23(34-25)24(31)32)16-14-12-10-8-6-4-2-3-5-7-9-11-13-15-17-19(26)27/h18,20-23,25,28-30H,2-17H2,1H3,(H,26,27)(H,31,32)