InChI=1S/C22H36O9/c1-2-3-4-5-6-8-11-14-15(29-14)12-9-7-10-13-16(23)30-22-19(26)17(24)18(25)20(31-22)21(27)28/h6,8,14-15,17-20,22,24-26H,2-5,7,9-13H2,1H3,(H,27,28)/b8-6-