InChI=1S/C18H26O11/c1-4-8-9(5-12(20)25-2)10(16(24)26-3)7-27-17(8)29-18-15(23)14(22)13(21)11(6-19)28-18/h4,7,9,11,13-15,17-19,21-23H,5-6H2,1-3H3/b8-4-/t9-,11+,13+,14-,15+,17-,18?/m0/s1