InChI=1S/C31H52O9/c1-16(2)29(40,15-33)9-8-17(3)24-18(34)11-28(14-32)20-7-6-19-27(5,25(38)39)21(35)10-22(36)30(19)13-31(20,30)23(37)12-26(24,28)4/h16-24,32-37,40H,6-15H2,1-5H3,(H,38,39)