InChI=1S/C15H22O6S/c1-8(2)10-5-6-11-13(17)14(21-22(18,19)20)12(16)9(3)15(11,4)7-10/h6,9-10,13-14,17H,1,5,7H2,2-4H3,(H,18,19,20)/t9?,10?,13?,14?,15-/m1/s1