InChI=1S/C21H30O10/c1-18(2)5-10-19(3)6-11(21(19,29)9(7-22)4-20(10,28)8-18)30-17-14(25)12(23)13(24)15(31-17)16(26)27/h4,7,10-15,17,23-25,28-29H,5-6,8H2,1-3H3,(H,26,27)