InChI=1S/C33H52O8/c1-20(2)10-7-11-21(3)12-8-13-22(4)14-9-16-33(6)17-15-24-19-25(23(5)18-26(24)41-33)39-32-29(36)27(34)28(35)30(40-32)31(37)38/h18-21,27-30,32,34-36H,4,7-17H2,1-3,5-6H3,(H,37,38)