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