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