InChI=1S/C22H36O9/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15(23)21(29)31-22-18(26)16(24)17(25)19(30-22)20(27)28/h6-7,9-10,15-19,22-26H,2-5,8,11-14H2,1H3,(H,27,28)/b7-6-,10-9-