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