InChI=1S/C21H32O11/c1-8-4-5-12-9(2)18(31-19-15(25)13(23)14(24)16(30-19)17(26)27)32-20(29-10(3)22)21(12)11(8)6-7-28-21/h8-9,11-16,18-20,23-25H,4-7H2,1-3H3,(H,26,27)/t8-,9-,11?,12?,13-,14-,15+,16-,18?,19?,20?,21?/m0/s1