InChI=1S/C21H34O10/c1-20(2,28)12-11-9-5-4-8(21(9,3)17(26)16(12)31-18(11)27)7-29-19-15(25)14(24)13(23)10(6-22)30-19/h8-17,19,22-26,28H,4-7H2,1-3H3/t8-,9-,10+,11+,12-,13-,14+,15+,16+,17+,19-,21-/m1/s1