InChI=1S/C21H30O11/c1-7-8-4-5-21(3,32-19-14(25)12(23)13(24)16(31-19)17(26)27)10-9(22)6-20(2,29)11(10)15(8)30-18(7)28/h7-9,12-16,19,22-25,29H,4-6H2,1-3H3,(H,26,27)