InChI=1S/C31H52O9/c1-17(2)29(39,15-32)10-11-30(40,16-33)23-18(34)13-26(4)19-6-7-20-27(5,24(37)38)21(35)12-22(36)31(20)14-28(19,31)9-8-25(23,26)3/h17-23,32-36,39-40H,6-16H2,1-5H3,(H,37,38)