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