InChI=1S/C21H32O10/c1-20(2)4-8-10(17(20)27)12(23)7(11-9(22)5-21(8,11)3)6-30-19-15(26)13(24)14(25)16(31-19)18(28)29/h8-10,12-17,19,22-27H,4-6H2,1-3H3,(H,28,29)/t8?,9?,10?,12?,13?,14?,15?,16?,17?,19?,21-/m1/s1