InChI=1S/C21H32O10/c1-20(2)4-7-11(21(3)5-9(23)10(21)8(6-22)12(7)24)17(20)31-19-15(27)13(25)14(26)16(30-19)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