InChI=1S/C31H52O8/c1-17(9-10-30(39,16-32)25(2,3)38)23-18(33)14-27(5)19-7-8-20-28(6,24(36)37)21(34)13-22(35)31(20)15-29(19,31)12-11-26(23,27)4/h17-23,32-35,38-39H,7-16H2,1-6H3,(H,36,37)