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