InChI=1/C10H19NO9S2/c1-4(2)9(11-20-22(16,17)18)21-10-8(15)7(14)6(13)5(3-12)19-10/h4-8,10,12-15H,3H2,1-2H3,(H,16,17,18)/b11-9+/t5?,6-,7+,8?,10+/s2