InChI=1S/C23H30O9/c1-13(2)7-6-8-14(3)11-12-30-22(29)15-9-4-5-10-16(15)31-23-19(26)17(24)18(25)20(32-23)21(27)28/h4-5,7,9-11,17-20,23-26H,6,8,12H2,1-3H3,(H,27,28)/b14-11-