InChI=1S/C22H38O9/c1-2-3-9-12-15(23)13-10-7-5-4-6-8-11-14-16(24)30-22-19(27)17(25)18(26)20(31-22)21(28)29/h10,13,15,17-20,22-23,25-27H,2-9,11-12,14H2,1H3,(H,28,29)/b13-10-