InChI=1S/C31H52O9/c1-16(2)30(40,15-33)7-6-17(13-32)23-19(35)12-27(4)20-10-18(34)24-28(5,25(38)39)21(36)11-22(37)31(24)14-29(20,31)9-8-26(23,27)3/h16-24,32-37,40H,6-15H2,1-5H3,(H,38,39)