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