InChI=1S/C15H24O6S/c1-11(2)5-6-15(21-22(18,19)20)13(4)10-14(17)9-12(3)7-8-16/h5,7-8,10,14-15,17H,6,9H2,1-4H3,(H,18,19,20)/b12-7+,13-10-