InChI=1S/C31H52O8/c1-16(2)29(39,15-32)10-9-17(3)24-18(33)12-26(4)19-7-8-20-28(6,25(37)38)21(34)11-22(35)31(20)14-30(19,31)23(36)13-27(24,26)5/h16-24,32-36,39H,7-15H2,1-6H3,(H,37,38)