InChI=1S/C21H32O10/c1-20(2)4-7-11(17(20)27)21(3)5-9(10(21)8(6-22)12(7)23)30-19-15(26)13(24)14(25)16(31-19)18(28)29/h7,9,11-17,19,22-27H,4-6H2,1-3H3,(H,28,29)/t7?,9?,11?,12?,13?,14?,15?,16?,17?,19?,21-/m0/s1