InChI=1S/C15H22O6S/c1-9(2)13-6-15(7-14(13)17)10(3)4-12(16)5-11(15)8-21-22(18,19)20/h5,10,13-14,17H,1,4,6-8H2,2-3H3,(H,18,19,20)