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