InChI=1S/C31H52O9/c1-15(2)29(40,14-32)10-9-16(3)23-17(33)12-26(4)18-7-8-19-28(6,25(38)39)20(34)11-21(35)31(19)24(37)30(18,31)22(36)13-27(23,26)5/h15-24,32-37,40H,7-14H2,1-6H3,(H,38,39)