InChI=1S/C31H52O7/c1-17(2)30(38,16-32)14-20(33)18(3)19-9-10-27(5)21-7-8-22-28(6,25(36)37)23(34)13-24(35)31(22)15-29(21,31)12-11-26(19,27)4/h17-24,32-35,38H,7-16H2,1-6H3,(H,36,37)