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