InChI=1S/C23H30O9/c1-13(2)6-4-7-14(3)10-11-30-22(29)15-8-5-9-16(12-15)31-23-19(26)17(24)18(25)20(32-23)21(27)28/h5-6,8-10,12,17-20,23-26H,4,7,11H2,1-3H3,(H,27,28)/b14-10-