InChI=1S/C21H32O11/c1-20(2,29)11-10-7-4-5-8(17(26)27)21(7,3)16(15(11)31-18(10)28)32-19-14(25)13(24)12(23)9(6-22)30-19/h7-16,19,22-25,29H,4-6H2,1-3H3,(H,26,27)/t7-,8-,9+,10+,11-,12-,13+,14+,15+,16+,19+,21+/m1/s1