InChI=1S/C22H36O7/c1-11(23)29-16-9-21-10-19(4,26)12(17(21)25)6-7-13(21)20(5,27)14-8-15(24)18(2,3)22(14,16)28/h12-17,24-28H,6-10H2,1-5H3