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