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