InChI=1S/C15H22O6S/c1-13(2)5-9-4-10(8-16)15(17)12(21-22(18,19)20)7-14(15,3)11(9)6-13/h4,8-9,11-12,17H,5-7H2,1-3H3,(H,18,19,20)