InChI=1/C11H21NO9S2/c1-3-5(2)10(12-21-23(17,18)19)22-11-9(16)8(15)7(14)6(4-13)20-11/h5-9,11,13-16H,3-4H2,1-2H3,(H,17,18,19)/b12-10+/t5-,6?,7+,8-,9?,11-/s2