InChI=1S/C21H30O10/c1-7-6-29-11-5-9-4-10(22)16(8(2)21(9,3)18(26)12(7)11)30-20-15(25)13(23)14(24)17(31-20)19(27)28/h6,8-10,13-18,20,22-26H,4-5H2,1-3H3,(H,27,28)