InChI=1S/C15H24O6S/c1-10(2)13-8-14(16)12(9-21-22(18,19)20)6-4-5-11(3)7-15(13)17/h5,10,12-13H,4,6-9H2,1-3H3,(H,18,19,20)/b11-5-