InChI=1S/C15H22O6S/c1-9(8-21-22(18,19)20)11-4-5-12-14(17)6-13(16)10(2)15(12,3)7-11/h5,10-11,14,17H,1,4,6-8H2,2-3H3,(H,18,19,20)/t10?,11?,14?,15-/m1/s1