InChI=1S/C15H22O6S/c1-9(2)10-5-6-11-12(21-22(18,19)20)7-13(16)15(4,17)14(11,3)8-10/h6,10,12,17H,1,5,7-8H2,2-4H3,(H,18,19,20)/t10?,12?,14-,15?/m0/s1