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